Home / 20,425.92-30,587.04-16,313.28

Finding the Fourth Proportional to 20,425.92, 30,587.04 and 16,313.28

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Solution

The fourth proportional to 20,425.92, 30,587.04 and 16,313.28 is: 24,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,425.92 : 30,587.04 = 16,313.28 : x
  2. Step 2: Convert to fraction form
    20,425.92/30,587.04 = 16,313.28/x
  3. Step 3: Cross multiply
    20,425.92x = 30,587.04 × 16,313.28
  4. Step 4: Simplify right side
    20,425.92x = 498,974,947.89
  5. Step 5: Solve for x
    x = 498,974,947.89/20,425.92
  6. Step 6: Final answer
    x = 24,428.52

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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.