Home / 19,913.76-27,479.94-10,959.52

Finding the Fourth Proportional to 19,913.76, 27,479.94 and 10,959.52

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Solution

The fourth proportional to 19,913.76, 27,479.94 and 10,959.52 is: 15,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.76 : 27,479.94 = 10,959.52 : x
  2. Step 2: Convert to fraction form
    19,913.76/27,479.94 = 10,959.52/x
  3. Step 3: Cross multiply
    19,913.76x = 27,479.94 × 10,959.52
  4. Step 4: Simplify right side
    19,913.76x = 301,166,952.03
  5. Step 5: Solve for x
    x = 301,166,952.03/19,913.76
  6. Step 6: Final answer
    x = 15,123.56

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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.