Home / 10,020.42-15,031.49-2,624.88

Finding the Fourth Proportional to 10,020.42, 15,031.49 and 2,624.88

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Solution

The fourth proportional to 10,020.42, 15,031.49 and 2,624.88 is: 3,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.42 : 15,031.49 = 2,624.88 : x
  2. Step 2: Convert to fraction form
    10,020.42/15,031.49 = 2,624.88/x
  3. Step 3: Cross multiply
    10,020.42x = 15,031.49 × 2,624.88
  4. Step 4: Simplify right side
    10,020.42x = 39,455,857.47
  5. Step 5: Solve for x
    x = 39,455,857.47/10,020.42
  6. Step 6: Final answer
    x = 3,937.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.