Home / 17,112.04-25,671.30-5,428.60

Finding the Fourth Proportional to 17,112.04, 25,671.30 and 5,428.60

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Solution

The fourth proportional to 17,112.04, 25,671.30 and 5,428.60 is: 8,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.04 : 25,671.30 = 5,428.60 : x
  2. Step 2: Convert to fraction form
    17,112.04/25,671.30 = 5,428.60/x
  3. Step 3: Cross multiply
    17,112.04x = 25,671.30 × 5,428.60
  4. Step 4: Simplify right side
    17,112.04x = 139,359,219.18
  5. Step 5: Solve for x
    x = 139,359,219.18/17,112.04
  6. Step 6: Final answer
    x = 8,143.93

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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.