Home / 18,795.52-25,937.81-11,242.16

Finding the Fourth Proportional to 18,795.52, 25,937.81 and 11,242.16

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Solution

The fourth proportional to 18,795.52, 25,937.81 and 11,242.16 is: 15,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.52 : 25,937.81 = 11,242.16 : x
  2. Step 2: Convert to fraction form
    18,795.52/25,937.81 = 11,242.16/x
  3. Step 3: Cross multiply
    18,795.52x = 25,937.81 × 11,242.16
  4. Step 4: Simplify right side
    18,795.52x = 291,597,141.11
  5. Step 5: Solve for x
    x = 291,597,141.11/18,795.52
  6. Step 6: Final answer
    x = 15,514.19

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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.