Home / 23,176.14-31,983-12,565.77

Finding the Fourth Proportional to 23,176.14, 31,983 and 12,565.77

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Solution

The fourth proportional to 23,176.14, 31,983 and 12,565.77 is: 17,340.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176.14 : 31,983 = 12,565.77 : x
  2. Step 2: Convert to fraction form
    23,176.14/31,983 = 12,565.77/x
  3. Step 3: Cross multiply
    23,176.14x = 31,983 × 12,565.77
  4. Step 4: Simplify right side
    23,176.14x = 401,891,021.91
  5. Step 5: Solve for x
    x = 401,891,021.91/23,176.14
  6. Step 6: Final answer
    x = 17,340.72

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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.