Home / 23,445.60-32,370.02-20,923.38

Finding the Fourth Proportional to 23,445.60, 32,370.02 and 20,923.38

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Solution

The fourth proportional to 23,445.60, 32,370.02 and 20,923.38 is: 28,887.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,445.60 : 32,370.02 = 20,923.38 : x
  2. Step 2: Convert to fraction form
    23,445.60/32,370.02 = 20,923.38/x
  3. Step 3: Cross multiply
    23,445.60x = 32,370.02 × 20,923.38
  4. Step 4: Simplify right side
    23,445.60x = 677,290,229.07
  5. Step 5: Solve for x
    x = 677,290,229.07/23,445.60
  6. Step 6: Final answer
    x = 28,887.73

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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.