Home / 15,600.54-21,530.40-9,229.26

Finding the Fourth Proportional to 15,600.54, 21,530.40 and 9,229.26

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Solution

The fourth proportional to 15,600.54, 21,530.40 and 9,229.26 is: 12,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.54 : 21,530.40 = 9,229.26 : x
  2. Step 2: Convert to fraction form
    15,600.54/21,530.40 = 9,229.26/x
  3. Step 3: Cross multiply
    15,600.54x = 21,530.40 × 9,229.26
  4. Step 4: Simplify right side
    15,600.54x = 198,709,659.50
  5. Step 5: Solve for x
    x = 198,709,659.50/15,600.54
  6. Step 6: Final answer
    x = 12,737.36

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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.