Home / 23,502.45-32,431.32-13,428.88

Finding the Fourth Proportional to 23,502.45, 32,431.32 and 13,428.88

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Solution

The fourth proportional to 23,502.45, 32,431.32 and 13,428.88 is: 18,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,502.45 : 32,431.32 = 13,428.88 : x
  2. Step 2: Convert to fraction form
    23,502.45/32,431.32 = 13,428.88/x
  3. Step 3: Cross multiply
    23,502.45x = 32,431.32 × 13,428.88
  4. Step 4: Simplify right side
    23,502.45x = 435,516,304.52
  5. Step 5: Solve for x
    x = 435,516,304.52/23,502.45
  6. Step 6: Final answer
    x = 18,530.68

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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.