Home / 25,768.13-35,553.13-15,556.66

Finding the Fourth Proportional to 25,768.13, 35,553.13 and 15,556.66

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Solution

The fourth proportional to 25,768.13, 35,553.13 and 15,556.66 is: 21,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,768.13 : 35,553.13 = 15,556.66 : x
  2. Step 2: Convert to fraction form
    25,768.13/35,553.13 = 15,556.66/x
  3. Step 3: Cross multiply
    25,768.13x = 35,553.13 × 15,556.66
  4. Step 4: Simplify right side
    25,768.13x = 553,087,827.57
  5. Step 5: Solve for x
    x = 553,087,827.57/25,768.13
  6. Step 6: Final answer
    x = 21,464.03

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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.