Home / 15,181.50-22,779.29-5,818.38

Finding the Fourth Proportional to 15,181.50, 22,779.29 and 5,818.38

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Solution

The fourth proportional to 15,181.50, 22,779.29 and 5,818.38 is: 8,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.50 : 22,779.29 = 5,818.38 : x
  2. Step 2: Convert to fraction form
    15,181.50/22,779.29 = 5,818.38/x
  3. Step 3: Cross multiply
    15,181.50x = 22,779.29 × 5,818.38
  4. Step 4: Simplify right side
    15,181.50x = 132,538,536.26
  5. Step 5: Solve for x
    x = 132,538,536.26/15,181.50
  6. Step 6: Final answer
    x = 8,730.27

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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.