Home / 23,176.32-31,982.88-12,565.76

Finding the Fourth Proportional to 23,176.32, 31,982.88 and 12,565.76

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Solution

The fourth proportional to 23,176.32, 31,982.88 and 12,565.76 is: 17,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176.32 : 31,982.88 = 12,565.76 : x
  2. Step 2: Convert to fraction form
    23,176.32/31,982.88 = 12,565.76/x
  3. Step 3: Cross multiply
    23,176.32x = 31,982.88 × 12,565.76
  4. Step 4: Simplify right side
    23,176.32x = 401,889,194.19
  5. Step 5: Solve for x
    x = 401,889,194.19/23,176.32
  6. Step 6: Final answer
    x = 17,340.51

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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.