Home / 22,463.65-30,999.75-12,392.72

Finding the Fourth Proportional to 22,463.65, 30,999.75 and 12,392.72

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Solution

The fourth proportional to 22,463.65, 30,999.75 and 12,392.72 is: 17,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.65 : 30,999.75 = 12,392.72 : x
  2. Step 2: Convert to fraction form
    22,463.65/30,999.75 = 12,392.72/x
  3. Step 3: Cross multiply
    22,463.65x = 30,999.75 × 12,392.72
  4. Step 4: Simplify right side
    22,463.65x = 384,171,101.71
  5. Step 5: Solve for x
    x = 384,171,101.71/22,463.65
  6. Step 6: Final answer
    x = 17,101.90

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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.