Home / 15,259.16-22,899-5,398.40

Finding the Fourth Proportional to 15,259.16, 22,899 and 5,398.40

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Solution

The fourth proportional to 15,259.16, 22,899 and 5,398.40 is: 8,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.16 : 22,899 = 5,398.40 : x
  2. Step 2: Convert to fraction form
    15,259.16/22,899 = 5,398.40/x
  3. Step 3: Cross multiply
    15,259.16x = 22,899 × 5,398.40
  4. Step 4: Simplify right side
    15,259.16x = 123,617,961.60
  5. Step 5: Solve for x
    x = 123,617,961.60/15,259.16
  6. Step 6: Final answer
    x = 8,101.23

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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.