Home / 14,328.42-19,772.28-8,359.13

Finding the Fourth Proportional to 14,328.42, 19,772.28 and 8,359.13

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Solution

The fourth proportional to 14,328.42, 19,772.28 and 8,359.13 is: 11,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.42 : 19,772.28 = 8,359.13 : x
  2. Step 2: Convert to fraction form
    14,328.42/19,772.28 = 8,359.13/x
  3. Step 3: Cross multiply
    14,328.42x = 19,772.28 × 8,359.13
  4. Step 4: Simplify right side
    14,328.42x = 165,278,960.06
  5. Step 5: Solve for x
    x = 165,278,960.06/14,328.42
  6. Step 6: Final answer
    x = 11,535.04

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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.