Home / 23,315.10-34,982.97-12,219.13

Finding the Fourth Proportional to 23,315.10, 34,982.97 and 12,219.13

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Solution

The fourth proportional to 23,315.10, 34,982.97 and 12,219.13 is: 18,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,315.10 : 34,982.97 = 12,219.13 : x
  2. Step 2: Convert to fraction form
    23,315.10/34,982.97 = 12,219.13/x
  3. Step 3: Cross multiply
    23,315.10x = 34,982.97 × 12,219.13
  4. Step 4: Simplify right side
    23,315.10x = 427,461,623.25
  5. Step 5: Solve for x
    x = 427,461,623.25/23,315.10
  6. Step 6: Final answer
    x = 18,334.11

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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.