Home / 14,723.29-20,320.11-8,352.19

Finding the Fourth Proportional to 14,723.29, 20,320.11 and 8,352.19

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Solution

The fourth proportional to 14,723.29, 20,320.11 and 8,352.19 is: 11,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,723.29 : 20,320.11 = 8,352.19 : x
  2. Step 2: Convert to fraction form
    14,723.29/20,320.11 = 8,352.19/x
  3. Step 3: Cross multiply
    14,723.29x = 20,320.11 × 8,352.19
  4. Step 4: Simplify right side
    14,723.29x = 169,717,419.54
  5. Step 5: Solve for x
    x = 169,717,419.54/14,723.29
  6. Step 6: Final answer
    x = 11,527.14

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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.