Home / 15,600.33-21,528.45-8,526.75

Finding the Fourth Proportional to 15,600.33, 21,528.45 and 8,526.75

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Solution

The fourth proportional to 15,600.33, 21,528.45 and 8,526.75 is: 11,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.33 : 21,528.45 = 8,526.75 : x
  2. Step 2: Convert to fraction form
    15,600.33/21,528.45 = 8,526.75/x
  3. Step 3: Cross multiply
    15,600.33x = 21,528.45 × 8,526.75
  4. Step 4: Simplify right side
    15,600.33x = 183,567,711.04
  5. Step 5: Solve for x
    x = 183,567,711.04/15,600.33
  6. Step 6: Final answer
    x = 11,766.91

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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.