Home / 15,820.72-23,730.77-9,167.18

Finding the Fourth Proportional to 15,820.72, 23,730.77 and 9,167.18

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Solution

The fourth proportional to 15,820.72, 23,730.77 and 9,167.18 is: 13,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820.72 : 23,730.77 = 9,167.18 : x
  2. Step 2: Convert to fraction form
    15,820.72/23,730.77 = 9,167.18/x
  3. Step 3: Cross multiply
    15,820.72x = 23,730.77 × 9,167.18
  4. Step 4: Simplify right side
    15,820.72x = 217,544,144.39
  5. Step 5: Solve for x
    x = 217,544,144.39/15,820.72
  6. Step 6: Final answer
    x = 13,750.59

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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.