Home / 25,617.87-38,426.70-11,923.38

Finding the Fourth Proportional to 25,617.87, 38,426.70 and 11,923.38

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Solution

The fourth proportional to 25,617.87, 38,426.70 and 11,923.38 is: 17,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.87 : 38,426.70 = 11,923.38 : x
  2. Step 2: Convert to fraction form
    25,617.87/38,426.70 = 11,923.38/x
  3. Step 3: Cross multiply
    25,617.87x = 38,426.70 × 11,923.38
  4. Step 4: Simplify right side
    25,617.87x = 458,176,146.25
  5. Step 5: Solve for x
    x = 458,176,146.25/25,617.87
  6. Step 6: Final answer
    x = 17,885.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.