Home / 23,387.75-32,275.11-12,777.35

Finding the Fourth Proportional to 23,387.75, 32,275.11 and 12,777.35

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Solution

The fourth proportional to 23,387.75, 32,275.11 and 12,777.35 is: 17,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.75 : 32,275.11 = 12,777.35 : x
  2. Step 2: Convert to fraction form
    23,387.75/32,275.11 = 12,777.35/x
  3. Step 3: Cross multiply
    23,387.75x = 32,275.11 × 12,777.35
  4. Step 4: Simplify right side
    23,387.75x = 412,390,376.76
  5. Step 5: Solve for x
    x = 412,390,376.76/23,387.75
  6. Step 6: Final answer
    x = 17,632.75

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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.