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Finding the Fourth Proportional to 14,417.84, 19,838.84 and 11,059.32

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Solution

The fourth proportional to 14,417.84, 19,838.84 and 11,059.32 is: 15,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.84 : 19,838.84 = 11,059.32 : x
  2. Step 2: Convert to fraction form
    14,417.84/19,838.84 = 11,059.32/x
  3. Step 3: Cross multiply
    14,417.84x = 19,838.84 × 11,059.32
  4. Step 4: Simplify right side
    14,417.84x = 219,404,079.99
  5. Step 5: Solve for x
    x = 219,404,079.99/14,417.84
  6. Step 6: Final answer
    x = 15,217.54

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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.