Home / 19,457.50-29,144.32-13,183.08

Finding the Fourth Proportional to 19,457.50, 29,144.32 and 13,183.08

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Solution

The fourth proportional to 19,457.50, 29,144.32 and 13,183.08 is: 19,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.50 : 29,144.32 = 13,183.08 : x
  2. Step 2: Convert to fraction form
    19,457.50/29,144.32 = 13,183.08/x
  3. Step 3: Cross multiply
    19,457.50x = 29,144.32 × 13,183.08
  4. Step 4: Simplify right side
    19,457.50x = 384,211,902.11
  5. Step 5: Solve for x
    x = 384,211,902.11/19,457.50
  6. Step 6: Final answer
    x = 19,746.21

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Half scale
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Double scale
Find fourth proportional to 19,458.50, 29,145.82 and 13,184.08
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.