Home / 18,740.75-25,862.28-10,357.25

Finding the Fourth Proportional to 18,740.75, 25,862.28 and 10,357.25

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Solution

The fourth proportional to 18,740.75, 25,862.28 and 10,357.25 is: 14,293.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.75 : 25,862.28 = 10,357.25 : x
  2. Step 2: Convert to fraction form
    18,740.75/25,862.28 = 10,357.25/x
  3. Step 3: Cross multiply
    18,740.75x = 25,862.28 × 10,357.25
  4. Step 4: Simplify right side
    18,740.75x = 267,862,099.53
  5. Step 5: Solve for x
    x = 267,862,099.53/18,740.75
  6. Step 6: Final answer
    x = 14,293.03

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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.