Home / 18,435.73-25,441.30-10,478.46

Finding the Fourth Proportional to 18,435.73, 25,441.30 and 10,478.46

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Solution

The fourth proportional to 18,435.73, 25,441.30 and 10,478.46 is: 14,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.73 : 25,441.30 = 10,478.46 : x
  2. Step 2: Convert to fraction form
    18,435.73/25,441.30 = 10,478.46/x
  3. Step 3: Cross multiply
    18,435.73x = 25,441.30 × 10,478.46
  4. Step 4: Simplify right side
    18,435.73x = 266,585,767.64
  5. Step 5: Solve for x
    x = 266,585,767.64/18,435.73
  6. Step 6: Final answer
    x = 14,460.28

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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.