Home / 14,681.25-20,260.13-8,393.63

Finding the Fourth Proportional to 14,681.25, 20,260.13 and 8,393.63

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Solution

The fourth proportional to 14,681.25, 20,260.13 and 8,393.63 is: 11,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.25 : 20,260.13 = 8,393.63 : x
  2. Step 2: Convert to fraction form
    14,681.25/20,260.13 = 8,393.63/x
  3. Step 3: Cross multiply
    14,681.25x = 20,260.13 × 8,393.63
  4. Step 4: Simplify right side
    14,681.25x = 170,055,891.70
  5. Step 5: Solve for x
    x = 170,055,891.70/14,681.25
  6. Step 6: Final answer
    x = 11,583.20

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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.