Home / 18,331.07-25,297.40-10,373.12

Finding the Fourth Proportional to 18,331.07, 25,297.40 and 10,373.12

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Solution

The fourth proportional to 18,331.07, 25,297.40 and 10,373.12 is: 14,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.07 : 25,297.40 = 10,373.12 : x
  2. Step 2: Convert to fraction form
    18,331.07/25,297.40 = 10,373.12/x
  3. Step 3: Cross multiply
    18,331.07x = 25,297.40 × 10,373.12
  4. Step 4: Simplify right side
    18,331.07x = 262,412,787.54
  5. Step 5: Solve for x
    x = 262,412,787.54/18,331.07
  6. Step 6: Final answer
    x = 14,315.20

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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.