Home / 18,759.64-25,887.98-10,376.14

Finding the Fourth Proportional to 18,759.64, 25,887.98 and 10,376.14

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Solution

The fourth proportional to 18,759.64, 25,887.98 and 10,376.14 is: 14,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759.64 : 25,887.98 = 10,376.14 : x
  2. Step 2: Convert to fraction form
    18,759.64/25,887.98 = 10,376.14/x
  3. Step 3: Cross multiply
    18,759.64x = 25,887.98 × 10,376.14
  4. Step 4: Simplify right side
    18,759.64x = 268,617,304.80
  5. Step 5: Solve for x
    x = 268,617,304.80/18,759.64
  6. Step 6: Final answer
    x = 14,318.89

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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.