Home / 18,591.28-25,656-10,093.40

Finding the Fourth Proportional to 18,591.28, 25,656 and 10,093.40

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Solution

The fourth proportional to 18,591.28, 25,656 and 10,093.40 is: 13,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.28 : 25,656 = 10,093.40 : x
  2. Step 2: Convert to fraction form
    18,591.28/25,656 = 10,093.40/x
  3. Step 3: Cross multiply
    18,591.28x = 25,656 × 10,093.40
  4. Step 4: Simplify right side
    18,591.28x = 258,956,270.40
  5. Step 5: Solve for x
    x = 258,956,270.40/18,591.28
  6. Step 6: Final answer
    x = 13,928.91

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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.