Home / 14,392.92-19,862.25-8,425.76

Finding the Fourth Proportional to 14,392.92, 19,862.25 and 8,425.76

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Solution

The fourth proportional to 14,392.92, 19,862.25 and 8,425.76 is: 11,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.92 : 19,862.25 = 8,425.76 : x
  2. Step 2: Convert to fraction form
    14,392.92/19,862.25 = 8,425.76/x
  3. Step 3: Cross multiply
    14,392.92x = 19,862.25 × 8,425.76
  4. Step 4: Simplify right side
    14,392.92x = 167,354,420.65
  5. Step 5: Solve for x
    x = 167,354,420.65/14,392.92
  6. Step 6: Final answer
    x = 11,627.55

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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.