Home / 42,812.92-64,202.74-14,727.64

Finding the Fourth Proportional to 42,812.92, 64,202.74 and 14,727.64

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Solution

The fourth proportional to 42,812.92, 64,202.74 and 14,727.64 is: 22,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,812.92 : 64,202.74 = 14,727.64 : x
  2. Step 2: Convert to fraction form
    42,812.92/64,202.74 = 14,727.64/x
  3. Step 3: Cross multiply
    42,812.92x = 64,202.74 × 14,727.64
  4. Step 4: Simplify right side
    42,812.92x = 945,554,841.73
  5. Step 5: Solve for x
    x = 945,554,841.73/42,812.92
  6. Step 6: Final answer
    x = 22,085.74

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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.