Home / 25,152.75-34,696.35-15,704.91

Finding the Fourth Proportional to 25,152.75, 34,696.35 and 15,704.91

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Solution

The fourth proportional to 25,152.75, 34,696.35 and 15,704.91 is: 21,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.75 : 34,696.35 = 15,704.91 : x
  2. Step 2: Convert to fraction form
    25,152.75/34,696.35 = 15,704.91/x
  3. Step 3: Cross multiply
    25,152.75x = 34,696.35 × 15,704.91
  4. Step 4: Simplify right side
    25,152.75x = 544,903,156.28
  5. Step 5: Solve for x
    x = 544,903,156.28/25,152.75
  6. Step 6: Final answer
    x = 21,663.76

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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.