Home / 25,209.60-34,837.20-18,911.04

Finding the Fourth Proportional to 25,209.60, 34,837.20 and 18,911.04

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Solution

The fourth proportional to 25,209.60, 34,837.20 and 18,911.04 is: 26,133.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,209.60 : 34,837.20 = 18,911.04 : x
  2. Step 2: Convert to fraction form
    25,209.60/34,837.20 = 18,911.04/x
  3. Step 3: Cross multiply
    25,209.60x = 34,837.20 × 18,911.04
  4. Step 4: Simplify right side
    25,209.60x = 658,807,682.69
  5. Step 5: Solve for x
    x = 658,807,682.69/25,209.60
  6. Step 6: Final answer
    x = 26,133.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.