Home / 18,028.28-24,878.80-10,070.84

Finding the Fourth Proportional to 18,028.28, 24,878.80 and 10,070.84

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Solution

The fourth proportional to 18,028.28, 24,878.80 and 10,070.84 is: 13,897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.28 : 24,878.80 = 10,070.84 : x
  2. Step 2: Convert to fraction form
    18,028.28/24,878.80 = 10,070.84/x
  3. Step 3: Cross multiply
    18,028.28x = 24,878.80 × 10,070.84
  4. Step 4: Simplify right side
    18,028.28x = 250,550,414.19
  5. Step 5: Solve for x
    x = 250,550,414.19/18,028.28
  6. Step 6: Final answer
    x = 13,897.63

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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.