Home / 17,006.76-23,480.78-15,208.65

Finding the Fourth Proportional to 17,006.76, 23,480.78 and 15,208.65

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Solution

The fourth proportional to 17,006.76, 23,480.78 and 15,208.65 is: 20,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,006.76 : 23,480.78 = 15,208.65 : x
  2. Step 2: Convert to fraction form
    17,006.76/23,480.78 = 15,208.65/x
  3. Step 3: Cross multiply
    17,006.76x = 23,480.78 × 15,208.65
  4. Step 4: Simplify right side
    17,006.76x = 357,110,888.70
  5. Step 5: Solve for x
    x = 357,110,888.70/17,006.76
  6. Step 6: Final answer
    x = 20,998.17

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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.