Home / 18,947.82-26,155.17-14,904.18

Finding the Fourth Proportional to 18,947.82, 26,155.17 and 14,904.18

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Solution

The fourth proportional to 18,947.82, 26,155.17 and 14,904.18 is: 20,573.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.82 : 26,155.17 = 14,904.18 : x
  2. Step 2: Convert to fraction form
    18,947.82/26,155.17 = 14,904.18/x
  3. Step 3: Cross multiply
    18,947.82x = 26,155.17 × 14,904.18
  4. Step 4: Simplify right side
    18,947.82x = 389,821,361.61
  5. Step 5: Solve for x
    x = 389,821,361.61/18,947.82
  6. Step 6: Final answer
    x = 20,573.41

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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.