Home / 28,153.68-38,842.20-17,534.52

Finding the Fourth Proportional to 28,153.68, 38,842.20 and 17,534.52

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Solution

The fourth proportional to 28,153.68, 38,842.20 and 17,534.52 is: 24,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153.68 : 38,842.20 = 17,534.52 : x
  2. Step 2: Convert to fraction form
    28,153.68/38,842.20 = 17,534.52/x
  3. Step 3: Cross multiply
    28,153.68x = 38,842.20 × 17,534.52
  4. Step 4: Simplify right side
    28,153.68x = 681,079,332.74
  5. Step 5: Solve for x
    x = 681,079,332.74/28,153.68
  6. Step 6: Final answer
    x = 24,191.49

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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.