Home / 14,870.05-20,519.13-8,498.23

Finding the Fourth Proportional to 14,870.05, 20,519.13 and 8,498.23

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Solution

The fourth proportional to 14,870.05, 20,519.13 and 8,498.23 is: 11,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.05 : 20,519.13 = 8,498.23 : x
  2. Step 2: Convert to fraction form
    14,870.05/20,519.13 = 8,498.23/x
  3. Step 3: Cross multiply
    14,870.05x = 20,519.13 × 8,498.23
  4. Step 4: Simplify right side
    14,870.05x = 174,376,286.14
  5. Step 5: Solve for x
    x = 174,376,286.14/14,870.05
  6. Step 6: Final answer
    x = 11,726.68

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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.