Home / 14,717.28-20,303.28-8,747.04

Finding the Fourth Proportional to 14,717.28, 20,303.28 and 8,747.04

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Solution

The fourth proportional to 14,717.28, 20,303.28 and 8,747.04 is: 12,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.28 : 20,303.28 = 8,747.04 : x
  2. Step 2: Convert to fraction form
    14,717.28/20,303.28 = 8,747.04/x
  3. Step 3: Cross multiply
    14,717.28x = 20,303.28 × 8,747.04
  4. Step 4: Simplify right side
    14,717.28x = 177,593,602.29
  5. Step 5: Solve for x
    x = 177,593,602.29/14,717.28
  6. Step 6: Final answer
    x = 12,067.01

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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.