Home / 15,178.48-22,779.50-10,531.10

Finding the Fourth Proportional to 15,178.48, 22,779.50 and 10,531.10

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Solution

The fourth proportional to 15,178.48, 22,779.50 and 10,531.10 is: 15,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.48 : 22,779.50 = 10,531.10 : x
  2. Step 2: Convert to fraction form
    15,178.48/22,779.50 = 10,531.10/x
  3. Step 3: Cross multiply
    15,178.48x = 22,779.50 × 10,531.10
  4. Step 4: Simplify right side
    15,178.48x = 239,893,196.74
  5. Step 5: Solve for x
    x = 239,893,196.74/15,178.48
  6. Step 6: Final answer
    x = 15,804.83

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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.