Home / 25,222.69-34,796.85-15,011.65

Finding the Fourth Proportional to 25,222.69, 34,796.85 and 15,011.65

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Solution

The fourth proportional to 25,222.69, 34,796.85 and 15,011.65 is: 20,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.69 : 34,796.85 = 15,011.65 : x
  2. Step 2: Convert to fraction form
    25,222.69/34,796.85 = 15,011.65/x
  3. Step 3: Cross multiply
    25,222.69x = 34,796.85 × 15,011.65
  4. Step 4: Simplify right side
    25,222.69x = 522,358,133.30
  5. Step 5: Solve for x
    x = 522,358,133.30/25,222.69
  6. Step 6: Final answer
    x = 20,709.85

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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.