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Finding the Fourth Proportional to 14,802.65, 20,436.72 and 14,092.22

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Solution

The fourth proportional to 14,802.65, 20,436.72 and 14,092.22 is: 19,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,802.65 : 20,436.72 = 14,092.22 : x
  2. Step 2: Convert to fraction form
    14,802.65/20,436.72 = 14,092.22/x
  3. Step 3: Cross multiply
    14,802.65x = 20,436.72 × 14,092.22
  4. Step 4: Simplify right side
    14,802.65x = 287,998,754.32
  5. Step 5: Solve for x
    x = 287,998,754.32/14,802.65
  6. Step 6: Final answer
    x = 19,455.89

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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.