Home / 14,113.36-19,477.32-8,146.12

Finding the Fourth Proportional to 14,113.36, 19,477.32 and 8,146.12

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Solution

The fourth proportional to 14,113.36, 19,477.32 and 8,146.12 is: 11,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.36 : 19,477.32 = 8,146.12 : x
  2. Step 2: Convert to fraction form
    14,113.36/19,477.32 = 8,146.12/x
  3. Step 3: Cross multiply
    14,113.36x = 19,477.32 × 8,146.12
  4. Step 4: Simplify right side
    14,113.36x = 158,664,586.00
  5. Step 5: Solve for x
    x = 158,664,586.00/14,113.36
  6. Step 6: Final answer
    x = 11,242.16

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.