Home / 23,380.76-32,298-20,862.02

Finding the Fourth Proportional to 23,380.76, 32,298 and 20,862.02

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Solution

The fourth proportional to 23,380.76, 32,298 and 20,862.02 is: 28,818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,380.76 : 32,298 = 20,862.02 : x
  2. Step 2: Convert to fraction form
    23,380.76/32,298 = 20,862.02/x
  3. Step 3: Cross multiply
    23,380.76x = 32,298 × 20,862.02
  4. Step 4: Simplify right side
    23,380.76x = 673,801,521.96
  5. Step 5: Solve for x
    x = 673,801,521.96/23,380.76
  6. Step 6: Final answer
    x = 28,818.63

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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.