Home / 19,331.35-26,677.15-10,947.31

Finding the Fourth Proportional to 19,331.35, 26,677.15 and 10,947.31

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Solution

The fourth proportional to 19,331.35, 26,677.15 and 10,947.31 is: 15,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.35 : 26,677.15 = 10,947.31 : x
  2. Step 2: Convert to fraction form
    19,331.35/26,677.15 = 10,947.31/x
  3. Step 3: Cross multiply
    19,331.35x = 26,677.15 × 10,947.31
  4. Step 4: Simplify right side
    19,331.35x = 292,043,030.97
  5. Step 5: Solve for x
    x = 292,043,030.97/19,331.35
  6. Step 6: Final answer
    x = 15,107.22

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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.