Home / 23,116.66-31,899.18-14,162.95

Finding the Fourth Proportional to 23,116.66, 31,899.18 and 14,162.95

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Solution

The fourth proportional to 23,116.66, 31,899.18 and 14,162.95 is: 19,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,116.66 : 31,899.18 = 14,162.95 : x
  2. Step 2: Convert to fraction form
    23,116.66/31,899.18 = 14,162.95/x
  3. Step 3: Cross multiply
    23,116.66x = 31,899.18 × 14,162.95
  4. Step 4: Simplify right side
    23,116.66x = 451,786,261.07
  5. Step 5: Solve for x
    x = 451,786,261.07/23,116.66
  6. Step 6: Final answer
    x = 19,543.75

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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.