Home / 22,442.20-30,970.89-12,370.76

Finding the Fourth Proportional to 22,442.20, 30,970.89 and 12,370.76

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Solution

The fourth proportional to 22,442.20, 30,970.89 and 12,370.76 is: 17,072.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,442.20 : 30,970.89 = 12,370.76 : x
  2. Step 2: Convert to fraction form
    22,442.20/30,970.89 = 12,370.76/x
  3. Step 3: Cross multiply
    22,442.20x = 30,970.89 × 12,370.76
  4. Step 4: Simplify right side
    22,442.20x = 383,133,447.18
  5. Step 5: Solve for x
    x = 383,133,447.18/22,442.20
  6. Step 6: Final answer
    x = 17,072.01

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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.