Home / 23,086.32-31,859.02-12,475.92

Finding the Fourth Proportional to 23,086.32, 31,859.02 and 12,475.92

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Solution

The fourth proportional to 23,086.32, 31,859.02 and 12,475.92 is: 17,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,086.32 : 31,859.02 = 12,475.92 : x
  2. Step 2: Convert to fraction form
    23,086.32/31,859.02 = 12,475.92/x
  3. Step 3: Cross multiply
    23,086.32x = 31,859.02 × 12,475.92
  4. Step 4: Simplify right side
    23,086.32x = 397,470,719.86
  5. Step 5: Solve for x
    x = 397,470,719.86/23,086.32
  6. Step 6: Final answer
    x = 17,216.72

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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.