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Finding the Fourth Proportional to 13,801.44, 19,041.84 and 12,470.88

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Solution

The fourth proportional to 13,801.44, 19,041.84 and 12,470.88 is: 17,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.44 : 19,041.84 = 12,470.88 : x
  2. Step 2: Convert to fraction form
    13,801.44/19,041.84 = 12,470.88/x
  3. Step 3: Cross multiply
    13,801.44x = 19,041.84 × 12,470.88
  4. Step 4: Simplify right side
    13,801.44x = 237,468,501.62
  5. Step 5: Solve for x
    x = 237,468,501.62/13,801.44
  6. Step 6: Final answer
    x = 17,206.07

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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.