Home / 17,639.28-24,348.06-15,770.93

Finding the Fourth Proportional to 17,639.28, 24,348.06 and 15,770.93

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Solution

The fourth proportional to 17,639.28, 24,348.06 and 15,770.93 is: 21,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.28 : 24,348.06 = 15,770.93 : x
  2. Step 2: Convert to fraction form
    17,639.28/24,348.06 = 15,770.93/x
  3. Step 3: Cross multiply
    17,639.28x = 24,348.06 × 15,770.93
  4. Step 4: Simplify right side
    17,639.28x = 383,991,428.16
  5. Step 5: Solve for x
    x = 383,991,428.16/17,639.28
  6. Step 6: Final answer
    x = 21,769.11

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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.