Home / 21,048.59-31,572.92-6,257.66

Finding the Fourth Proportional to 21,048.59, 31,572.92 and 6,257.66

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Solution

The fourth proportional to 21,048.59, 31,572.92 and 6,257.66 is: 9,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.59 : 31,572.92 = 6,257.66 : x
  2. Step 2: Convert to fraction form
    21,048.59/31,572.92 = 6,257.66/x
  3. Step 3: Cross multiply
    21,048.59x = 31,572.92 × 6,257.66
  4. Step 4: Simplify right side
    21,048.59x = 197,572,456.35
  5. Step 5: Solve for x
    x = 197,572,456.35/21,048.59
  6. Step 6: Final answer
    x = 9,386.49

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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.