Home / 25,222.91-34,790.95-15,775.07

Finding the Fourth Proportional to 25,222.91, 34,790.95 and 15,775.07

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Solution

The fourth proportional to 25,222.91, 34,790.95 and 15,775.07 is: 21,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.91 : 34,790.95 = 15,775.07 : x
  2. Step 2: Convert to fraction form
    25,222.91/34,790.95 = 15,775.07/x
  3. Step 3: Cross multiply
    25,222.91x = 34,790.95 × 15,775.07
  4. Step 4: Simplify right side
    25,222.91x = 548,829,671.62
  5. Step 5: Solve for x
    x = 548,829,671.62/25,222.91
  6. Step 6: Final answer
    x = 21,759.17

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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.