Home / 22,210.20-33,315.57-12,411.90

Finding the Fourth Proportional to 22,210.20, 33,315.57 and 12,411.90

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Solution

The fourth proportional to 22,210.20, 33,315.57 and 12,411.90 is: 18,618.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.20 : 33,315.57 = 12,411.90 : x
  2. Step 2: Convert to fraction form
    22,210.20/33,315.57 = 12,411.90/x
  3. Step 3: Cross multiply
    22,210.20x = 33,315.57 × 12,411.90
  4. Step 4: Simplify right side
    22,210.20x = 413,509,523.28
  5. Step 5: Solve for x
    x = 413,509,523.28/22,210.20
  6. Step 6: Final answer
    x = 18,618.00

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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.