Home / 22,463.52-30,999.96-12,392.40

Finding the Fourth Proportional to 22,463.52, 30,999.96 and 12,392.40

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Solution

The fourth proportional to 22,463.52, 30,999.96 and 12,392.40 is: 17,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.52 : 30,999.96 = 12,392.40 : x
  2. Step 2: Convert to fraction form
    22,463.52/30,999.96 = 12,392.40/x
  3. Step 3: Cross multiply
    22,463.52x = 30,999.96 × 12,392.40
  4. Step 4: Simplify right side
    22,463.52x = 384,163,904.30
  5. Step 5: Solve for x
    x = 384,163,904.30/22,463.52
  6. Step 6: Final answer
    x = 17,101.68

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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.