Home / 25,011.25-34,516.17-15,075.89

Finding the Fourth Proportional to 25,011.25, 34,516.17 and 15,075.89

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Solution

The fourth proportional to 25,011.25, 34,516.17 and 15,075.89 is: 20,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,011.25 : 34,516.17 = 15,075.89 : x
  2. Step 2: Convert to fraction form
    25,011.25/34,516.17 = 15,075.89/x
  3. Step 3: Cross multiply
    25,011.25x = 34,516.17 × 15,075.89
  4. Step 4: Simplify right side
    25,011.25x = 520,361,906.76
  5. Step 5: Solve for x
    x = 520,361,906.76/25,011.25
  6. Step 6: Final answer
    x = 20,805.11

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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.