Home / 15,526.10-21,424.92-8,452.46

Finding the Fourth Proportional to 15,526.10, 21,424.92 and 8,452.46

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Solution

The fourth proportional to 15,526.10, 21,424.92 and 8,452.46 is: 11,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.10 : 21,424.92 = 8,452.46 : x
  2. Step 2: Convert to fraction form
    15,526.10/21,424.92 = 8,452.46/x
  3. Step 3: Cross multiply
    15,526.10x = 21,424.92 × 8,452.46
  4. Step 4: Simplify right side
    15,526.10x = 181,093,279.30
  5. Step 5: Solve for x
    x = 181,093,279.30/15,526.10
  6. Step 6: Final answer
    x = 11,663.80

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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.