Home / 23,600.56-32,568.77-12,990.11

Finding the Fourth Proportional to 23,600.56, 32,568.77 and 12,990.11

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Solution

The fourth proportional to 23,600.56, 32,568.77 and 12,990.11 is: 17,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,600.56 : 32,568.77 = 12,990.11 : x
  2. Step 2: Convert to fraction form
    23,600.56/32,568.77 = 12,990.11/x
  3. Step 3: Cross multiply
    23,600.56x = 32,568.77 × 12,990.11
  4. Step 4: Simplify right side
    23,600.56x = 423,071,904.86
  5. Step 5: Solve for x
    x = 423,071,904.86/23,600.56
  6. Step 6: Final answer
    x = 17,926.35

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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.