Home / 23,428.80-32,332.54-13,358.72

Finding the Fourth Proportional to 23,428.80, 32,332.54 and 13,358.72

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Solution

The fourth proportional to 23,428.80, 32,332.54 and 13,358.72 is: 18,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.80 : 32,332.54 = 13,358.72 : x
  2. Step 2: Convert to fraction form
    23,428.80/32,332.54 = 13,358.72/x
  3. Step 3: Cross multiply
    23,428.80x = 32,332.54 × 13,358.72
  4. Step 4: Simplify right side
    23,428.80x = 431,921,348.75
  5. Step 5: Solve for x
    x = 431,921,348.75/23,428.80
  6. Step 6: Final answer
    x = 18,435.49

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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.