Home / 18,098.90-24,977.48-10,143.68

Finding the Fourth Proportional to 18,098.90, 24,977.48 and 10,143.68

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Solution

The fourth proportional to 18,098.90, 24,977.48 and 10,143.68 is: 13,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,098.90 : 24,977.48 = 10,143.68 : x
  2. Step 2: Convert to fraction form
    18,098.90/24,977.48 = 10,143.68/x
  3. Step 3: Cross multiply
    18,098.90x = 24,977.48 × 10,143.68
  4. Step 4: Simplify right side
    18,098.90x = 253,363,388.72
  5. Step 5: Solve for x
    x = 253,363,388.72/18,098.90
  6. Step 6: Final answer
    x = 13,998.83

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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.