Home / 25,221.75-34,806.15-14,043.75

Finding the Fourth Proportional to 25,221.75, 34,806.15 and 14,043.75

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Solution

The fourth proportional to 25,221.75, 34,806.15 and 14,043.75 is: 19,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,221.75 : 34,806.15 = 14,043.75 : x
  2. Step 2: Convert to fraction form
    25,221.75/34,806.15 = 14,043.75/x
  3. Step 3: Cross multiply
    25,221.75x = 34,806.15 × 14,043.75
  4. Step 4: Simplify right side
    25,221.75x = 488,808,869.06
  5. Step 5: Solve for x
    x = 488,808,869.06/25,221.75
  6. Step 6: Final answer
    x = 19,380.45

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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.