Home / 18,248.48-25,186.81-11,529.83

Finding the Fourth Proportional to 18,248.48, 25,186.81 and 11,529.83

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Solution

The fourth proportional to 18,248.48, 25,186.81 and 11,529.83 is: 15,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.48 : 25,186.81 = 11,529.83 : x
  2. Step 2: Convert to fraction form
    18,248.48/25,186.81 = 11,529.83/x
  3. Step 3: Cross multiply
    18,248.48x = 25,186.81 × 11,529.83
  4. Step 4: Simplify right side
    18,248.48x = 290,399,637.54
  5. Step 5: Solve for x
    x = 290,399,637.54/18,248.48
  6. Step 6: Final answer
    x = 15,913.63

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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.