Home / 18,671.02-28,010.96-5,344.20

Finding the Fourth Proportional to 18,671.02, 28,010.96 and 5,344.20

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Solution

The fourth proportional to 18,671.02, 28,010.96 and 5,344.20 is: 8,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.02 : 28,010.96 = 5,344.20 : x
  2. Step 2: Convert to fraction form
    18,671.02/28,010.96 = 5,344.20/x
  3. Step 3: Cross multiply
    18,671.02x = 28,010.96 × 5,344.20
  4. Step 4: Simplify right side
    18,671.02x = 149,696,172.43
  5. Step 5: Solve for x
    x = 149,696,172.43/18,671.02
  6. Step 6: Final answer
    x = 8,017.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.