Home / 18,456.04-25,461.62-12,084.20

Finding the Fourth Proportional to 18,456.04, 25,461.62 and 12,084.20

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Solution

The fourth proportional to 18,456.04, 25,461.62 and 12,084.20 is: 16,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.04 : 25,461.62 = 12,084.20 : x
  2. Step 2: Convert to fraction form
    18,456.04/25,461.62 = 12,084.20/x
  3. Step 3: Cross multiply
    18,456.04x = 25,461.62 × 12,084.20
  4. Step 4: Simplify right side
    18,456.04x = 307,683,308.40
  5. Step 5: Solve for x
    x = 307,683,308.40/18,456.04
  6. Step 6: Final answer
    x = 16,671.14

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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.