Home / 18,302.40-25,257.15-10,344.60

Finding the Fourth Proportional to 18,302.40, 25,257.15 and 10,344.60

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Solution

The fourth proportional to 18,302.40, 25,257.15 and 10,344.60 is: 14,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.40 : 25,257.15 = 10,344.60 : x
  2. Step 2: Convert to fraction form
    18,302.40/25,257.15 = 10,344.60/x
  3. Step 3: Cross multiply
    18,302.40x = 25,257.15 × 10,344.60
  4. Step 4: Simplify right side
    18,302.40x = 261,275,113.89
  5. Step 5: Solve for x
    x = 261,275,113.89/18,302.40
  6. Step 6: Final answer
    x = 14,275.46

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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.