Home / 15,600.20-21,528.33-8,526.74

Finding the Fourth Proportional to 15,600.20, 21,528.33 and 8,526.74

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Solution

The fourth proportional to 15,600.20, 21,528.33 and 8,526.74 is: 11,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.20 : 21,528.33 = 8,526.74 : x
  2. Step 2: Convert to fraction form
    15,600.20/21,528.33 = 8,526.74/x
  3. Step 3: Cross multiply
    15,600.20x = 21,528.33 × 8,526.74
  4. Step 4: Simplify right side
    15,600.20x = 183,566,472.54
  5. Step 5: Solve for x
    x = 183,566,472.54/15,600.20
  6. Step 6: Final answer
    x = 11,766.93

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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.