Home / 22,707.14-31,335-12,635.96

Finding the Fourth Proportional to 22,707.14, 31,335 and 12,635.96

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Solution

The fourth proportional to 22,707.14, 31,335 and 12,635.96 is: 17,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,707.14 : 31,335 = 12,635.96 : x
  2. Step 2: Convert to fraction form
    22,707.14/31,335 = 12,635.96/x
  3. Step 3: Cross multiply
    22,707.14x = 31,335 × 12,635.96
  4. Step 4: Simplify right side
    22,707.14x = 395,947,806.60
  5. Step 5: Solve for x
    x = 395,947,806.60/22,707.14
  6. Step 6: Final answer
    x = 17,437.15

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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.