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Finding the Fourth Proportional to 22,325.95, 30,803.25 and 13,834.32

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Solution

The fourth proportional to 22,325.95, 30,803.25 and 13,834.32 is: 19,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,325.95 : 30,803.25 = 13,834.32 : x
  2. Step 2: Convert to fraction form
    22,325.95/30,803.25 = 13,834.32/x
  3. Step 3: Cross multiply
    22,325.95x = 30,803.25 × 13,834.32
  4. Step 4: Simplify right side
    22,325.95x = 426,142,017.54
  5. Step 5: Solve for x
    x = 426,142,017.54/22,325.95
  6. Step 6: Final answer
    x = 19,087.30

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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.