Home / 18,229.90-25,157.25-9,846.40

Finding the Fourth Proportional to 18,229.90, 25,157.25 and 9,846.40

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Solution

The fourth proportional to 18,229.90, 25,157.25 and 9,846.40 is: 13,588.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.90 : 25,157.25 = 9,846.40 : x
  2. Step 2: Convert to fraction form
    18,229.90/25,157.25 = 9,846.40/x
  3. Step 3: Cross multiply
    18,229.90x = 25,157.25 × 9,846.40
  4. Step 4: Simplify right side
    18,229.90x = 247,708,283.51
  5. Step 5: Solve for x
    x = 247,708,283.51/18,229.90
  6. Step 6: Final answer
    x = 13,588.02

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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.