Home / 42,014.80-63,022.88-10,425.04

Finding the Fourth Proportional to 42,014.80, 63,022.88 and 10,425.04

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Solution

The fourth proportional to 42,014.80, 63,022.88 and 10,425.04 is: 15,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,014.80 : 63,022.88 = 10,425.04 : x
  2. Step 2: Convert to fraction form
    42,014.80/63,022.88 = 10,425.04/x
  3. Step 3: Cross multiply
    42,014.80x = 63,022.88 × 10,425.04
  4. Step 4: Simplify right side
    42,014.80x = 657,016,044.92
  5. Step 5: Solve for x
    x = 657,016,044.92/42,014.80
  6. Step 6: Final answer
    x = 15,637.73

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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.