Home / 22,130.17-30,539.66-13,177.97

Finding the Fourth Proportional to 22,130.17, 30,539.66 and 13,177.97

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Solution

The fourth proportional to 22,130.17, 30,539.66 and 13,177.97 is: 18,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.17 : 30,539.66 = 13,177.97 : x
  2. Step 2: Convert to fraction form
    22,130.17/30,539.66 = 13,177.97/x
  3. Step 3: Cross multiply
    22,130.17x = 30,539.66 × 13,177.97
  4. Step 4: Simplify right side
    22,130.17x = 402,450,657.40
  5. Step 5: Solve for x
    x = 402,450,657.40/22,130.17
  6. Step 6: Final answer
    x = 18,185.61

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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.