Home / 38,966.11-58,456.05-12,666.22

Finding the Fourth Proportional to 38,966.11, 58,456.05 and 12,666.22

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Solution

The fourth proportional to 38,966.11, 58,456.05 and 12,666.22 is: 19,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,966.11 : 58,456.05 = 12,666.22 : x
  2. Step 2: Convert to fraction form
    38,966.11/58,456.05 = 12,666.22/x
  3. Step 3: Cross multiply
    38,966.11x = 58,456.05 × 12,666.22
  4. Step 4: Simplify right side
    38,966.11x = 740,417,189.63
  5. Step 5: Solve for x
    x = 740,417,189.63/38,966.11
  6. Step 6: Final answer
    x = 19,001.57

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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.