Home / 19,838.71-27,377.34-10,886.36

Finding the Fourth Proportional to 19,838.71, 27,377.34 and 10,886.36

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Solution

The fourth proportional to 19,838.71, 27,377.34 and 10,886.36 is: 15,023.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.71 : 27,377.34 = 10,886.36 : x
  2. Step 2: Convert to fraction form
    19,838.71/27,377.34 = 10,886.36/x
  3. Step 3: Cross multiply
    19,838.71x = 27,377.34 × 10,886.36
  4. Step 4: Simplify right side
    19,838.71x = 298,039,616.61
  5. Step 5: Solve for x
    x = 298,039,616.61/19,838.71
  6. Step 6: Final answer
    x = 15,023.14

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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.