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Finding the Fourth Proportional to 13,803.43, 19,041.73 and 9,026.19

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Solution

The fourth proportional to 13,803.43, 19,041.73 and 9,026.19 is: 12,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.43 : 19,041.73 = 9,026.19 : x
  2. Step 2: Convert to fraction form
    13,803.43/19,041.73 = 9,026.19/x
  3. Step 3: Cross multiply
    13,803.43x = 19,041.73 × 9,026.19
  4. Step 4: Simplify right side
    13,803.43x = 171,874,272.91
  5. Step 5: Solve for x
    x = 171,874,272.91/13,803.43
  6. Step 6: Final answer
    x = 12,451.56

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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.