Home / 18,031.62-24,882.18-10,072.32

Finding the Fourth Proportional to 18,031.62, 24,882.18 and 10,072.32

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Solution

The fourth proportional to 18,031.62, 24,882.18 and 10,072.32 is: 13,898.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.62 : 24,882.18 = 10,072.32 : x
  2. Step 2: Convert to fraction form
    18,031.62/24,882.18 = 10,072.32/x
  3. Step 3: Cross multiply
    18,031.62x = 24,882.18 × 10,072.32
  4. Step 4: Simplify right side
    18,031.62x = 250,621,279.26
  5. Step 5: Solve for x
    x = 250,621,279.26/18,031.62
  6. Step 6: Final answer
    x = 13,898.99

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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.