Home / 42,713.74-64,058.87-12,726.62

Finding the Fourth Proportional to 42,713.74, 64,058.87 and 12,726.62

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Solution

The fourth proportional to 42,713.74, 64,058.87 and 12,726.62 is: 19,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,713.74 : 64,058.87 = 12,726.62 : x
  2. Step 2: Convert to fraction form
    42,713.74/64,058.87 = 12,726.62/x
  3. Step 3: Cross multiply
    42,713.74x = 64,058.87 × 12,726.62
  4. Step 4: Simplify right side
    42,713.74x = 815,253,208.19
  5. Step 5: Solve for x
    x = 815,253,208.19/42,713.74
  6. Step 6: Final answer
    x = 19,086.44

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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.