Home / 42,526.69-63,771.60-12,937.66

Finding the Fourth Proportional to 42,526.69, 63,771.60 and 12,937.66

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Solution

The fourth proportional to 42,526.69, 63,771.60 and 12,937.66 is: 19,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,526.69 : 63,771.60 = 12,937.66 : x
  2. Step 2: Convert to fraction form
    42,526.69/63,771.60 = 12,937.66/x
  3. Step 3: Cross multiply
    42,526.69x = 63,771.60 × 12,937.66
  4. Step 4: Simplify right side
    42,526.69x = 825,055,167.54
  5. Step 5: Solve for x
    x = 825,055,167.54/42,526.69
  6. Step 6: Final answer
    x = 19,400.88

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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.