Home / 25,771.14-35,557.26-15,559.66

Finding the Fourth Proportional to 25,771.14, 35,557.26 and 15,559.66

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Solution

The fourth proportional to 25,771.14, 35,557.26 and 15,559.66 is: 21,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.14 : 35,557.26 = 15,559.66 : x
  2. Step 2: Convert to fraction form
    25,771.14/35,557.26 = 15,559.66/x
  3. Step 3: Cross multiply
    25,771.14x = 35,557.26 × 15,559.66
  4. Step 4: Simplify right side
    25,771.14x = 553,258,876.13
  5. Step 5: Solve for x
    x = 553,258,876.13/25,771.14
  6. Step 6: Final answer
    x = 21,468.16

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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.