Home / 15,143.38-22,705.35-9,943.18

Finding the Fourth Proportional to 15,143.38, 22,705.35 and 9,943.18

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Solution

The fourth proportional to 15,143.38, 22,705.35 and 9,943.18 is: 14,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143.38 : 22,705.35 = 9,943.18 : x
  2. Step 2: Convert to fraction form
    15,143.38/22,705.35 = 9,943.18/x
  3. Step 3: Cross multiply
    15,143.38x = 22,705.35 × 9,943.18
  4. Step 4: Simplify right side
    15,143.38x = 225,763,382.01
  5. Step 5: Solve for x
    x = 225,763,382.01/15,143.38
  6. Step 6: Final answer
    x = 14,908.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.