Home / 19,345.60-29,150.20-15,912.52

Finding the Fourth Proportional to 19,345.60, 29,150.20 and 15,912.52

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Solution

The fourth proportional to 19,345.60, 29,150.20 and 15,912.52 is: 23,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.60 : 29,150.20 = 15,912.52 : x
  2. Step 2: Convert to fraction form
    19,345.60/29,150.20 = 15,912.52/x
  3. Step 3: Cross multiply
    19,345.60x = 29,150.20 × 15,912.52
  4. Step 4: Simplify right side
    19,345.60x = 463,853,140.50
  5. Step 5: Solve for x
    x = 463,853,140.50/19,345.60
  6. Step 6: Final answer
    x = 23,977.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.