Home / 19,865.25-27,414.81-10,913.13

Finding the Fourth Proportional to 19,865.25, 27,414.81 and 10,913.13

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Solution

The fourth proportional to 19,865.25, 27,414.81 and 10,913.13 is: 15,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865.25 : 27,414.81 = 10,913.13 : x
  2. Step 2: Convert to fraction form
    19,865.25/27,414.81 = 10,913.13/x
  3. Step 3: Cross multiply
    19,865.25x = 27,414.81 × 10,913.13
  4. Step 4: Simplify right side
    19,865.25x = 299,181,385.46
  5. Step 5: Solve for x
    x = 299,181,385.46/19,865.25
  6. Step 6: Final answer
    x = 15,060.54

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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.