Home / 14,869.05-20,519.23-8,154.50

Finding the Fourth Proportional to 14,869.05, 20,519.23 and 8,154.50

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Solution

The fourth proportional to 14,869.05, 20,519.23 and 8,154.50 is: 11,253.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.05 : 20,519.23 = 8,154.50 : x
  2. Step 2: Convert to fraction form
    14,869.05/20,519.23 = 8,154.50/x
  3. Step 3: Cross multiply
    14,869.05x = 20,519.23 × 8,154.50
  4. Step 4: Simplify right side
    14,869.05x = 167,324,061.04
  5. Step 5: Solve for x
    x = 167,324,061.04/14,869.05
  6. Step 6: Final answer
    x = 11,253.18

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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.