Home / 25,629.60-35,316.36-18,904.59

Finding the Fourth Proportional to 25,629.60, 35,316.36 and 18,904.59

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Solution

The fourth proportional to 25,629.60, 35,316.36 and 18,904.59 is: 26,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.60 : 35,316.36 = 18,904.59 : x
  2. Step 2: Convert to fraction form
    25,629.60/35,316.36 = 18,904.59/x
  3. Step 3: Cross multiply
    25,629.60x = 35,316.36 × 18,904.59
  4. Step 4: Simplify right side
    25,629.60x = 667,641,306.09
  5. Step 5: Solve for x
    x = 667,641,306.09/25,629.60
  6. Step 6: Final answer
    x = 26,049.62

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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.