Home / 15,178.47-22,779.51-10,531.11

Finding the Fourth Proportional to 15,178.47, 22,779.51 and 10,531.11

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Solution

The fourth proportional to 15,178.47, 22,779.51 and 10,531.11 is: 15,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.47 : 22,779.51 = 10,531.11 : x
  2. Step 2: Convert to fraction form
    15,178.47/22,779.51 = 10,531.11/x
  3. Step 3: Cross multiply
    15,178.47x = 22,779.51 × 10,531.11
  4. Step 4: Simplify right side
    15,178.47x = 239,893,525.56
  5. Step 5: Solve for x
    x = 239,893,525.56/15,178.47
  6. Step 6: Final answer
    x = 15,804.86

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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.