Home / 25,119.79-34,668.92-15,048.66

Finding the Fourth Proportional to 25,119.79, 34,668.92 and 15,048.66

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Solution

The fourth proportional to 25,119.79, 34,668.92 and 15,048.66 is: 20,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,119.79 : 34,668.92 = 15,048.66 : x
  2. Step 2: Convert to fraction form
    25,119.79/34,668.92 = 15,048.66/x
  3. Step 3: Cross multiply
    25,119.79x = 34,668.92 × 15,048.66
  4. Step 4: Simplify right side
    25,119.79x = 521,720,789.65
  5. Step 5: Solve for x
    x = 521,720,789.65/25,119.79
  6. Step 6: Final answer
    x = 20,769.31

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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.