Home / 20,552.10-28,360.17-11,598.90

Finding the Fourth Proportional to 20,552.10, 28,360.17 and 11,598.90

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Solution

The fourth proportional to 20,552.10, 28,360.17 and 11,598.90 is: 16,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.10 : 28,360.17 = 11,598.90 : x
  2. Step 2: Convert to fraction form
    20,552.10/28,360.17 = 11,598.90/x
  3. Step 3: Cross multiply
    20,552.10x = 28,360.17 × 11,598.90
  4. Step 4: Simplify right side
    20,552.10x = 328,946,775.81
  5. Step 5: Solve for x
    x = 328,946,775.81/20,552.10
  6. Step 6: Final answer
    x = 16,005.51

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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.