Home / 18,320.72-25,273.32-11,595.08

Finding the Fourth Proportional to 18,320.72, 25,273.32 and 11,595.08

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Solution

The fourth proportional to 18,320.72, 25,273.32 and 11,595.08 is: 15,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.72 : 25,273.32 = 11,595.08 : x
  2. Step 2: Convert to fraction form
    18,320.72/25,273.32 = 11,595.08/x
  3. Step 3: Cross multiply
    18,320.72x = 25,273.32 × 11,595.08
  4. Step 4: Simplify right side
    18,320.72x = 293,046,167.27
  5. Step 5: Solve for x
    x = 293,046,167.27/18,320.72
  6. Step 6: Final answer
    x = 15,995.34

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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.