Home / 14,044.28-19,377.60-8,077.64

Finding the Fourth Proportional to 14,044.28, 19,377.60 and 8,077.64

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Solution

The fourth proportional to 14,044.28, 19,377.60 and 8,077.64 is: 11,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,044.28 : 19,377.60 = 8,077.64 : x
  2. Step 2: Convert to fraction form
    14,044.28/19,377.60 = 8,077.64/x
  3. Step 3: Cross multiply
    14,044.28x = 19,377.60 × 8,077.64
  4. Step 4: Simplify right side
    14,044.28x = 156,525,276.86
  5. Step 5: Solve for x
    x = 156,525,276.86/14,044.28
  6. Step 6: Final answer
    x = 11,145.13

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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.