Home / 25,432.20-38,148.30-23,779.80

Finding the Fourth Proportional to 25,432.20, 38,148.30 and 23,779.80

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Solution

The fourth proportional to 25,432.20, 38,148.30 and 23,779.80 is: 35,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,432.20 : 38,148.30 = 23,779.80 : x
  2. Step 2: Convert to fraction form
    25,432.20/38,148.30 = 23,779.80/x
  3. Step 3: Cross multiply
    25,432.20x = 38,148.30 × 23,779.80
  4. Step 4: Simplify right side
    25,432.20x = 907,158,944.34
  5. Step 5: Solve for x
    x = 907,158,944.34/25,432.20
  6. Step 6: Final answer
    x = 35,669.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.