Home / 18,774.96-25,908.33-10,275.40

Finding the Fourth Proportional to 18,774.96, 25,908.33 and 10,275.40

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Solution

The fourth proportional to 18,774.96, 25,908.33 and 10,275.40 is: 14,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774.96 : 25,908.33 = 10,275.40 : x
  2. Step 2: Convert to fraction form
    18,774.96/25,908.33 = 10,275.40/x
  3. Step 3: Cross multiply
    18,774.96x = 25,908.33 × 10,275.40
  4. Step 4: Simplify right side
    18,774.96x = 266,218,454.08
  5. Step 5: Solve for x
    x = 266,218,454.08/18,774.96
  6. Step 6: Final answer
    x = 14,179.44

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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.