Home / 17,686.75-24,411.18-10,138.14

Finding the Fourth Proportional to 17,686.75, 24,411.18 and 10,138.14

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Solution

The fourth proportional to 17,686.75, 24,411.18 and 10,138.14 is: 13,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.75 : 24,411.18 = 10,138.14 : x
  2. Step 2: Convert to fraction form
    17,686.75/24,411.18 = 10,138.14/x
  3. Step 3: Cross multiply
    17,686.75x = 24,411.18 × 10,138.14
  4. Step 4: Simplify right side
    17,686.75x = 247,483,960.41
  5. Step 5: Solve for x
    x = 247,483,960.41/17,686.75
  6. Step 6: Final answer
    x = 13,992.62

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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.