Home / 22,657.17-31,260.42-13,698.18

Finding the Fourth Proportional to 22,657.17, 31,260.42 and 13,698.18

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Solution

The fourth proportional to 22,657.17, 31,260.42 and 13,698.18 is: 18,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.17 : 31,260.42 = 13,698.18 : x
  2. Step 2: Convert to fraction form
    22,657.17/31,260.42 = 13,698.18/x
  3. Step 3: Cross multiply
    22,657.17x = 31,260.42 × 13,698.18
  4. Step 4: Simplify right side
    22,657.17x = 428,210,860.04
  5. Step 5: Solve for x
    x = 428,210,860.04/22,657.17
  6. Step 6: Final answer
    x = 18,899.57

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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.