Home / 23,315.19-34,983.12-12,219.24

Finding the Fourth Proportional to 23,315.19, 34,983.12 and 12,219.24

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Solution

The fourth proportional to 23,315.19, 34,983.12 and 12,219.24 is: 18,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,315.19 : 34,983.12 = 12,219.24 : x
  2. Step 2: Convert to fraction form
    23,315.19/34,983.12 = 12,219.24/x
  3. Step 3: Cross multiply
    23,315.19x = 34,983.12 × 12,219.24
  4. Step 4: Simplify right side
    23,315.19x = 427,467,139.23
  5. Step 5: Solve for x
    x = 427,467,139.23/23,315.19
  6. Step 6: Final answer
    x = 18,334.28

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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.