Home / 17,697.60-24,421.56-10,143.84

Finding the Fourth Proportional to 17,697.60, 24,421.56 and 10,143.84

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Solution

The fourth proportional to 17,697.60, 24,421.56 and 10,143.84 is: 13,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.60 : 24,421.56 = 10,143.84 : x
  2. Step 2: Convert to fraction form
    17,697.60/24,421.56 = 10,143.84/x
  3. Step 3: Cross multiply
    17,697.60x = 24,421.56 × 10,143.84
  4. Step 4: Simplify right side
    17,697.60x = 247,728,397.19
  5. Step 5: Solve for x
    x = 247,728,397.19/17,697.60
  6. Step 6: Final answer
    x = 13,997.85

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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.