Home / 18,031.68-24,881.34-10,072.62

Finding the Fourth Proportional to 18,031.68, 24,881.34 and 10,072.62

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Solution

The fourth proportional to 18,031.68, 24,881.34 and 10,072.62 is: 13,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.68 : 24,881.34 = 10,072.62 : x
  2. Step 2: Convert to fraction form
    18,031.68/24,881.34 = 10,072.62/x
  3. Step 3: Cross multiply
    18,031.68x = 24,881.34 × 10,072.62
  4. Step 4: Simplify right side
    18,031.68x = 250,620,282.91
  5. Step 5: Solve for x
    x = 250,620,282.91/18,031.68
  6. Step 6: Final answer
    x = 13,898.89

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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.