Home / 22,707.48-31,336.32-12,635.68

Finding the Fourth Proportional to 22,707.48, 31,336.32 and 12,635.68

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Solution

The fourth proportional to 22,707.48, 31,336.32 and 12,635.68 is: 17,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,707.48 : 31,336.32 = 12,635.68 : x
  2. Step 2: Convert to fraction form
    22,707.48/31,336.32 = 12,635.68/x
  3. Step 3: Cross multiply
    22,707.48x = 31,336.32 × 12,635.68
  4. Step 4: Simplify right side
    22,707.48x = 395,955,711.90
  5. Step 5: Solve for x
    x = 395,955,711.90/22,707.48
  6. Step 6: Final answer
    x = 17,437.24

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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.