Home / 14,758.16-20,366.28-8,043.79

Finding the Fourth Proportional to 14,758.16, 20,366.28 and 8,043.79

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Solution

The fourth proportional to 14,758.16, 20,366.28 and 8,043.79 is: 11,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.16 : 20,366.28 = 8,043.79 : x
  2. Step 2: Convert to fraction form
    14,758.16/20,366.28 = 8,043.79/x
  3. Step 3: Cross multiply
    14,758.16x = 20,366.28 × 8,043.79
  4. Step 4: Simplify right side
    14,758.16x = 163,822,100.15
  5. Step 5: Solve for x
    x = 163,822,100.15/14,758.16
  6. Step 6: Final answer
    x = 11,100.44

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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.