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Finding the Fourth Proportional to 17,911.89, 24,718.23 and 9,953.95

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Solution

The fourth proportional to 17,911.89, 24,718.23 and 9,953.95 is: 13,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.89 : 24,718.23 = 9,953.95 : x
  2. Step 2: Convert to fraction form
    17,911.89/24,718.23 = 9,953.95/x
  3. Step 3: Cross multiply
    17,911.89x = 24,718.23 × 9,953.95
  4. Step 4: Simplify right side
    17,911.89x = 246,044,025.51
  5. Step 5: Solve for x
    x = 246,044,025.51/17,911.89
  6. Step 6: Final answer
    x = 13,736.35

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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.