Home / 19,512.60-29,268.90-7,834.20

Finding the Fourth Proportional to 19,512.60, 29,268.90 and 7,834.20

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Solution

The fourth proportional to 19,512.60, 29,268.90 and 7,834.20 is: 11,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.60 : 29,268.90 = 7,834.20 : x
  2. Step 2: Convert to fraction form
    19,512.60/29,268.90 = 7,834.20/x
  3. Step 3: Cross multiply
    19,512.60x = 29,268.90 × 7,834.20
  4. Step 4: Simplify right side
    19,512.60x = 229,298,416.38
  5. Step 5: Solve for x
    x = 229,298,416.38/19,512.60
  6. Step 6: Final answer
    x = 11,751.30

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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.