Home / 18,507.13-25,540.49-10,548.07

Finding the Fourth Proportional to 18,507.13, 25,540.49 and 10,548.07

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Solution

The fourth proportional to 18,507.13, 25,540.49 and 10,548.07 is: 14,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507.13 : 25,540.49 = 10,548.07 : x
  2. Step 2: Convert to fraction form
    18,507.13/25,540.49 = 10,548.07/x
  3. Step 3: Cross multiply
    18,507.13x = 25,540.49 × 10,548.07
  4. Step 4: Simplify right side
    18,507.13x = 269,402,695.91
  5. Step 5: Solve for x
    x = 269,402,695.91/18,507.13
  6. Step 6: Final answer
    x = 14,556.70

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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.