Home / 18,370.17-25,343.29-11,994.56

Finding the Fourth Proportional to 18,370.17, 25,343.29 and 11,994.56

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Solution

The fourth proportional to 18,370.17, 25,343.29 and 11,994.56 is: 16,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.17 : 25,343.29 = 11,994.56 : x
  2. Step 2: Convert to fraction form
    18,370.17/25,343.29 = 11,994.56/x
  3. Step 3: Cross multiply
    18,370.17x = 25,343.29 × 11,994.56
  4. Step 4: Simplify right side
    18,370.17x = 303,981,595.82
  5. Step 5: Solve for x
    x = 303,981,595.82/18,370.17
  6. Step 6: Final answer
    x = 16,547.57

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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.