Home / 18,143.38-25,033.48-10,585.39

Finding the Fourth Proportional to 18,143.38, 25,033.48 and 10,585.39

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Solution

The fourth proportional to 18,143.38, 25,033.48 and 10,585.39 is: 14,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.38 : 25,033.48 = 10,585.39 : x
  2. Step 2: Convert to fraction form
    18,143.38/25,033.48 = 10,585.39/x
  3. Step 3: Cross multiply
    18,143.38x = 25,033.48 × 10,585.39
  4. Step 4: Simplify right side
    18,143.38x = 264,989,095.93
  5. Step 5: Solve for x
    x = 264,989,095.93/18,143.38
  6. Step 6: Final answer
    x = 14,605.28

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Half scale
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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.