Home / 25,668.56-35,403-17,724.08

Finding the Fourth Proportional to 25,668.56, 35,403 and 17,724.08

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Solution

The fourth proportional to 25,668.56, 35,403 and 17,724.08 is: 24,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.56 : 35,403 = 17,724.08 : x
  2. Step 2: Convert to fraction form
    25,668.56/35,403 = 17,724.08/x
  3. Step 3: Cross multiply
    25,668.56x = 35,403 × 17,724.08
  4. Step 4: Simplify right side
    25,668.56x = 627,485,604.24
  5. Step 5: Solve for x
    x = 627,485,604.24/25,668.56
  6. Step 6: Final answer
    x = 24,445.69

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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.