Home / 34,331.50-51,497.56-13,555

Finding the Fourth Proportional to 34,331.50, 51,497.56 and 13,555

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Solution

The fourth proportional to 34,331.50, 51,497.56 and 13,555 is: 20,332.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,331.50 : 51,497.56 = 13,555 : x
  2. Step 2: Convert to fraction form
    34,331.50/51,497.56 = 13,555/x
  3. Step 3: Cross multiply
    34,331.50x = 51,497.56 × 13,555
  4. Step 4: Simplify right side
    34,331.50x = 698,049,425.80
  5. Step 5: Solve for x
    x = 698,049,425.80/34,331.50
  6. Step 6: Final answer
    x = 20,332.62

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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.