Home / 23,600.47-32,568.40-12,989.88

Finding the Fourth Proportional to 23,600.47, 32,568.40 and 12,989.88

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Solution

The fourth proportional to 23,600.47, 32,568.40 and 12,989.88 is: 17,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,600.47 : 32,568.40 = 12,989.88 : x
  2. Step 2: Convert to fraction form
    23,600.47/32,568.40 = 12,989.88/x
  3. Step 3: Cross multiply
    23,600.47x = 32,568.40 × 12,989.88
  4. Step 4: Simplify right side
    23,600.47x = 423,059,607.79
  5. Step 5: Solve for x
    x = 423,059,607.79/23,600.47
  6. Step 6: Final answer
    x = 17,925.90

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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.