Home / 14,987.38-20,671.86-11,444.44

Finding the Fourth Proportional to 14,987.38, 20,671.86 and 11,444.44

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Solution

The fourth proportional to 14,987.38, 20,671.86 and 11,444.44 is: 15,785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.38 : 20,671.86 = 11,444.44 : x
  2. Step 2: Convert to fraction form
    14,987.38/20,671.86 = 11,444.44/x
  3. Step 3: Cross multiply
    14,987.38x = 20,671.86 × 11,444.44
  4. Step 4: Simplify right side
    14,987.38x = 236,577,861.46
  5. Step 5: Solve for x
    x = 236,577,861.46/14,987.38
  6. Step 6: Final answer
    x = 15,785.14

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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.