Home / 14,855.28-20,497.56-8,565.36

Finding the Fourth Proportional to 14,855.28, 20,497.56 and 8,565.36

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Solution

The fourth proportional to 14,855.28, 20,497.56 and 8,565.36 is: 11,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.28 : 20,497.56 = 8,565.36 : x
  2. Step 2: Convert to fraction form
    14,855.28/20,497.56 = 8,565.36/x
  3. Step 3: Cross multiply
    14,855.28x = 20,497.56 × 8,565.36
  4. Step 4: Simplify right side
    14,855.28x = 175,568,980.52
  5. Step 5: Solve for x
    x = 175,568,980.52/14,855.28
  6. Step 6: Final answer
    x = 11,818.62

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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.