Home / 25,151.71-34,712.37-15,085.69

Finding the Fourth Proportional to 25,151.71, 34,712.37 and 15,085.69

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Solution

The fourth proportional to 25,151.71, 34,712.37 and 15,085.69 is: 20,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,151.71 : 34,712.37 = 15,085.69 : x
  2. Step 2: Convert to fraction form
    25,151.71/34,712.37 = 15,085.69/x
  3. Step 3: Cross multiply
    25,151.71x = 34,712.37 × 15,085.69
  4. Step 4: Simplify right side
    25,151.71x = 523,660,052.99
  5. Step 5: Solve for x
    x = 523,660,052.99/25,151.71
  6. Step 6: Final answer
    x = 20,820.06

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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.