Home / 15,543.60-23,300.76-7,745.04

Finding the Fourth Proportional to 15,543.60, 23,300.76 and 7,745.04

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Solution

The fourth proportional to 15,543.60, 23,300.76 and 7,745.04 is: 11,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.60 : 23,300.76 = 7,745.04 : x
  2. Step 2: Convert to fraction form
    15,543.60/23,300.76 = 7,745.04/x
  3. Step 3: Cross multiply
    15,543.60x = 23,300.76 × 7,745.04
  4. Step 4: Simplify right side
    15,543.60x = 180,465,318.23
  5. Step 5: Solve for x
    x = 180,465,318.23/15,543.60
  6. Step 6: Final answer
    x = 11,610.27

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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.