Home / 16,711.12-23,008.86-14,187.96

Finding the Fourth Proportional to 16,711.12, 23,008.86 and 14,187.96

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Solution

The fourth proportional to 16,711.12, 23,008.86 and 14,187.96 is: 19,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,711.12 : 23,008.86 = 14,187.96 : x
  2. Step 2: Convert to fraction form
    16,711.12/23,008.86 = 14,187.96/x
  3. Step 3: Cross multiply
    16,711.12x = 23,008.86 × 14,187.96
  4. Step 4: Simplify right side
    16,711.12x = 326,448,785.33
  5. Step 5: Solve for x
    x = 326,448,785.33/16,711.12
  6. Step 6: Final answer
    x = 19,534.82

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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.