Home / 43,706.08-65,559.12-14,128.32

Finding the Fourth Proportional to 43,706.08, 65,559.12 and 14,128.32

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Solution

The fourth proportional to 43,706.08, 65,559.12 and 14,128.32 is: 21,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,706.08 : 65,559.12 = 14,128.32 : x
  2. Step 2: Convert to fraction form
    43,706.08/65,559.12 = 14,128.32/x
  3. Step 3: Cross multiply
    43,706.08x = 65,559.12 × 14,128.32
  4. Step 4: Simplify right side
    43,706.08x = 926,240,226.28
  5. Step 5: Solve for x
    x = 926,240,226.28/43,706.08
  6. Step 6: Final answer
    x = 21,192.48

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Double scale
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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.