Home / 14,378.29-21,568.16-4,517.66

Finding the Fourth Proportional to 14,378.29, 21,568.16 and 4,517.66

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Solution

The fourth proportional to 14,378.29, 21,568.16 and 4,517.66 is: 6,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.29 : 21,568.16 = 4,517.66 : x
  2. Step 2: Convert to fraction form
    14,378.29/21,568.16 = 4,517.66/x
  3. Step 3: Cross multiply
    14,378.29x = 21,568.16 × 4,517.66
  4. Step 4: Simplify right side
    14,378.29x = 97,437,678.92
  5. Step 5: Solve for x
    x = 97,437,678.92/14,378.29
  6. Step 6: Final answer
    x = 6,776.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.