Home / 18,977.28-26,188.62-10,593.78

Finding the Fourth Proportional to 18,977.28, 26,188.62 and 10,593.78

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Solution

The fourth proportional to 18,977.28, 26,188.62 and 10,593.78 is: 14,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.28 : 26,188.62 = 10,593.78 : x
  2. Step 2: Convert to fraction form
    18,977.28/26,188.62 = 10,593.78/x
  3. Step 3: Cross multiply
    18,977.28x = 26,188.62 × 10,593.78
  4. Step 4: Simplify right side
    18,977.28x = 277,436,478.78
  5. Step 5: Solve for x
    x = 277,436,478.78/18,977.28
  6. Step 6: Final answer
    x = 14,619.40

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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.