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Finding the Fourth Proportional to 13,168.18, 19,706.07 and 10,798.93

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Solution

The fourth proportional to 13,168.18, 19,706.07 and 10,798.93 is: 16,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.18 : 19,706.07 = 10,798.93 : x
  2. Step 2: Convert to fraction form
    13,168.18/19,706.07 = 10,798.93/x
  3. Step 3: Cross multiply
    13,168.18x = 19,706.07 × 10,798.93
  4. Step 4: Simplify right side
    13,168.18x = 212,804,470.51
  5. Step 5: Solve for x
    x = 212,804,470.51/13,168.18
  6. Step 6: Final answer
    x = 16,160.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.