Home / 15,031.44-22,555.16-8,458.09

Finding the Fourth Proportional to 15,031.44, 22,555.16 and 8,458.09

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Solution

The fourth proportional to 15,031.44, 22,555.16 and 8,458.09 is: 12,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,031.44 : 22,555.16 = 8,458.09 : x
  2. Step 2: Convert to fraction form
    15,031.44/22,555.16 = 8,458.09/x
  3. Step 3: Cross multiply
    15,031.44x = 22,555.16 × 8,458.09
  4. Step 4: Simplify right side
    15,031.44x = 190,773,506.28
  5. Step 5: Solve for x
    x = 190,773,506.28/15,031.44
  6. Step 6: Final answer
    x = 12,691.63

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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.