Home / 18,508.59-25,541.78-10,010.72

Finding the Fourth Proportional to 18,508.59, 25,541.78 and 10,010.72

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Solution

The fourth proportional to 18,508.59, 25,541.78 and 10,010.72 is: 13,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.59 : 25,541.78 = 10,010.72 : x
  2. Step 2: Convert to fraction form
    18,508.59/25,541.78 = 10,010.72/x
  3. Step 3: Cross multiply
    18,508.59x = 25,541.78 × 10,010.72
  4. Step 4: Simplify right side
    18,508.59x = 255,691,607.88
  5. Step 5: Solve for x
    x = 255,691,607.88/18,508.59
  6. Step 6: Final answer
    x = 13,814.75

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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.