Home / 18,435.78-25,441.35-10,052.28

Finding the Fourth Proportional to 18,435.78, 25,441.35 and 10,052.28

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Solution

The fourth proportional to 18,435.78, 25,441.35 and 10,052.28 is: 13,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.78 : 25,441.35 = 10,052.28 : x
  2. Step 2: Convert to fraction form
    18,435.78/25,441.35 = 10,052.28/x
  3. Step 3: Cross multiply
    18,435.78x = 25,441.35 × 10,052.28
  4. Step 4: Simplify right side
    18,435.78x = 255,743,573.78
  5. Step 5: Solve for x
    x = 255,743,573.78/18,435.78
  6. Step 6: Final answer
    x = 13,872.13

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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.