Home / 22,497.56-31,034.36-13,539.68

Finding the Fourth Proportional to 22,497.56, 31,034.36 and 13,539.68

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Solution

The fourth proportional to 22,497.56, 31,034.36 and 13,539.68 is: 18,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.56 : 31,034.36 = 13,539.68 : x
  2. Step 2: Convert to fraction form
    22,497.56/31,034.36 = 13,539.68/x
  3. Step 3: Cross multiply
    22,497.56x = 31,034.36 × 13,539.68
  4. Step 4: Simplify right side
    22,497.56x = 420,195,303.40
  5. Step 5: Solve for x
    x = 420,195,303.40/22,497.56
  6. Step 6: Final answer
    x = 18,677.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.