Home / 23,538.76-32,483.36-12,928.20

Finding the Fourth Proportional to 23,538.76, 32,483.36 and 12,928.20

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Solution

The fourth proportional to 23,538.76, 32,483.36 and 12,928.20 is: 17,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,538.76 : 32,483.36 = 12,928.20 : x
  2. Step 2: Convert to fraction form
    23,538.76/32,483.36 = 12,928.20/x
  3. Step 3: Cross multiply
    23,538.76x = 32,483.36 × 12,928.20
  4. Step 4: Simplify right side
    23,538.76x = 419,951,374.75
  5. Step 5: Solve for x
    x = 419,951,374.75/23,538.76
  6. Step 6: Final answer
    x = 17,840.85

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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.