Home / 14,002.22-19,321.25-8,966.91

Finding the Fourth Proportional to 14,002.22, 19,321.25 and 8,966.91

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Solution

The fourth proportional to 14,002.22, 19,321.25 and 8,966.91 is: 12,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.22 : 19,321.25 = 8,966.91 : x
  2. Step 2: Convert to fraction form
    14,002.22/19,321.25 = 8,966.91/x
  3. Step 3: Cross multiply
    14,002.22x = 19,321.25 × 8,966.91
  4. Step 4: Simplify right side
    14,002.22x = 173,251,960.86
  5. Step 5: Solve for x
    x = 173,251,960.86/14,002.22
  6. Step 6: Final answer
    x = 12,373.17

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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.