Home / 25,584.08-38,376.12-7,814.02

Finding the Fourth Proportional to 25,584.08, 38,376.12 and 7,814.02

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Solution

The fourth proportional to 25,584.08, 38,376.12 and 7,814.02 is: 11,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,584.08 : 38,376.12 = 7,814.02 : x
  2. Step 2: Convert to fraction form
    25,584.08/38,376.12 = 7,814.02/x
  3. Step 3: Cross multiply
    25,584.08x = 38,376.12 × 7,814.02
  4. Step 4: Simplify right side
    25,584.08x = 299,871,918.43
  5. Step 5: Solve for x
    x = 299,871,918.43/25,584.08
  6. Step 6: Final answer
    x = 11,721.04

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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.