Home / 15,948.48-23,922.60-7,177.20

Finding the Fourth Proportional to 15,948.48, 23,922.60 and 7,177.20

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Solution

The fourth proportional to 15,948.48, 23,922.60 and 7,177.20 is: 10,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.48 : 23,922.60 = 7,177.20 : x
  2. Step 2: Convert to fraction form
    15,948.48/23,922.60 = 7,177.20/x
  3. Step 3: Cross multiply
    15,948.48x = 23,922.60 × 7,177.20
  4. Step 4: Simplify right side
    15,948.48x = 171,697,284.72
  5. Step 5: Solve for x
    x = 171,697,284.72/15,948.48
  6. Step 6: Final answer
    x = 10,765.75

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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.