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Finding the Fourth Proportional to 22,352.59, 30,837.75 and 14,399.40

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Solution

The fourth proportional to 22,352.59, 30,837.75 and 14,399.40 is: 19,865.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,352.59 : 30,837.75 = 14,399.40 : x
  2. Step 2: Convert to fraction form
    22,352.59/30,837.75 = 14,399.40/x
  3. Step 3: Cross multiply
    22,352.59x = 30,837.75 × 14,399.40
  4. Step 4: Simplify right side
    22,352.59x = 444,045,158.99
  5. Step 5: Solve for x
    x = 444,045,158.99/22,352.59
  6. Step 6: Final answer
    x = 19,865.49

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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.