Home / 25,212.52-34,824.90-21,246.76

Finding the Fourth Proportional to 25,212.52, 34,824.90 and 21,246.76

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Solution

The fourth proportional to 25,212.52, 34,824.90 and 21,246.76 is: 29,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,212.52 : 34,824.90 = 21,246.76 : x
  2. Step 2: Convert to fraction form
    25,212.52/34,824.90 = 21,246.76/x
  3. Step 3: Cross multiply
    25,212.52x = 34,824.90 × 21,246.76
  4. Step 4: Simplify right side
    25,212.52x = 739,916,292.32
  5. Step 5: Solve for x
    x = 739,916,292.32/25,212.52
  6. Step 6: Final answer
    x = 29,347.18

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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.