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Finding the Fourth Proportional to 14,425.95, 19,907.73 and 8,052.17

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Solution

The fourth proportional to 14,425.95, 19,907.73 and 8,052.17 is: 11,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.95 : 19,907.73 = 8,052.17 : x
  2. Step 2: Convert to fraction form
    14,425.95/19,907.73 = 8,052.17/x
  3. Step 3: Cross multiply
    14,425.95x = 19,907.73 × 8,052.17
  4. Step 4: Simplify right side
    14,425.95x = 160,300,506.24
  5. Step 5: Solve for x
    x = 160,300,506.24/14,425.95
  6. Step 6: Final answer
    x = 11,111.96

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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.