Home / 14,332.90-19,778.83-7,959.82

Finding the Fourth Proportional to 14,332.90, 19,778.83 and 7,959.82

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Solution

The fourth proportional to 14,332.90, 19,778.83 and 7,959.82 is: 10,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.90 : 19,778.83 = 7,959.82 : x
  2. Step 2: Convert to fraction form
    14,332.90/19,778.83 = 7,959.82/x
  3. Step 3: Cross multiply
    14,332.90x = 19,778.83 × 7,959.82
  4. Step 4: Simplify right side
    14,332.90x = 157,435,926.61
  5. Step 5: Solve for x
    x = 157,435,926.61/14,332.90
  6. Step 6: Final answer
    x = 10,984.23

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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.