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Finding the Fourth Proportional to 22,394.53, 30,904.25 and 12,323.40

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Solution

The fourth proportional to 22,394.53, 30,904.25 and 12,323.40 is: 17,006.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,394.53 : 30,904.25 = 12,323.40 : x
  2. Step 2: Convert to fraction form
    22,394.53/30,904.25 = 12,323.40/x
  3. Step 3: Cross multiply
    22,394.53x = 30,904.25 × 12,323.40
  4. Step 4: Simplify right side
    22,394.53x = 380,845,434.45
  5. Step 5: Solve for x
    x = 380,845,434.45/22,394.53
  6. Step 6: Final answer
    x = 17,006.18

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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.