Home / 23,176.18-31,982.96-12,565.74

Finding the Fourth Proportional to 23,176.18, 31,982.96 and 12,565.74

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Solution

The fourth proportional to 23,176.18, 31,982.96 and 12,565.74 is: 17,340.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176.18 : 31,982.96 = 12,565.74 : x
  2. Step 2: Convert to fraction form
    23,176.18/31,982.96 = 12,565.74/x
  3. Step 3: Cross multiply
    23,176.18x = 31,982.96 × 12,565.74
  4. Step 4: Simplify right side
    23,176.18x = 401,889,559.79
  5. Step 5: Solve for x
    x = 401,889,559.79/23,176.18
  6. Step 6: Final answer
    x = 17,340.63

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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.