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Finding the Fourth Proportional to 14,165.17, 19,551.95 and 11,352.14

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Solution

The fourth proportional to 14,165.17, 19,551.95 and 11,352.14 is: 15,669.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.17 : 19,551.95 = 11,352.14 : x
  2. Step 2: Convert to fraction form
    14,165.17/19,551.95 = 11,352.14/x
  3. Step 3: Cross multiply
    14,165.17x = 19,551.95 × 11,352.14
  4. Step 4: Simplify right side
    14,165.17x = 221,956,473.67
  5. Step 5: Solve for x
    x = 221,956,473.67/14,165.17
  6. Step 6: Final answer
    x = 15,669.17

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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.