Home / 18,045.75-24,903.14-10,087.80

Finding the Fourth Proportional to 18,045.75, 24,903.14 and 10,087.80

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Solution

The fourth proportional to 18,045.75, 24,903.14 and 10,087.80 is: 13,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.75 : 24,903.14 = 10,087.80 : x
  2. Step 2: Convert to fraction form
    18,045.75/24,903.14 = 10,087.80/x
  3. Step 3: Cross multiply
    18,045.75x = 24,903.14 × 10,087.80
  4. Step 4: Simplify right side
    18,045.75x = 251,217,845.25
  5. Step 5: Solve for x
    x = 251,217,845.25/18,045.75
  6. Step 6: Final answer
    x = 13,921.16

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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.