Home / 14,223.13-19,627.20-7,934.29

Finding the Fourth Proportional to 14,223.13, 19,627.20 and 7,934.29

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Solution

The fourth proportional to 14,223.13, 19,627.20 and 7,934.29 is: 10,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.13 : 19,627.20 = 7,934.29 : x
  2. Step 2: Convert to fraction form
    14,223.13/19,627.20 = 7,934.29/x
  3. Step 3: Cross multiply
    14,223.13x = 19,627.20 × 7,934.29
  4. Step 4: Simplify right side
    14,223.13x = 155,727,758.88
  5. Step 5: Solve for x
    x = 155,727,758.88/14,223.13
  6. Step 6: Final answer
    x = 10,948.91

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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.