Home / 15,876.79-23,815.19-5,482.87

Finding the Fourth Proportional to 15,876.79, 23,815.19 and 5,482.87

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Solution

The fourth proportional to 15,876.79, 23,815.19 and 5,482.87 is: 8,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.79 : 23,815.19 = 5,482.87 : x
  2. Step 2: Convert to fraction form
    15,876.79/23,815.19 = 5,482.87/x
  3. Step 3: Cross multiply
    15,876.79x = 23,815.19 × 5,482.87
  4. Step 4: Simplify right side
    15,876.79x = 130,575,590.80
  5. Step 5: Solve for x
    x = 130,575,590.80/15,876.79
  6. Step 6: Final answer
    x = 8,224.31

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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.