Home / 13,549.98-20,292.32-11,564.07

Finding the Fourth Proportional to 13,549.98, 20,292.32 and 11,564.07

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Solution

The fourth proportional to 13,549.98, 20,292.32 and 11,564.07 is: 17,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.98 : 20,292.32 = 11,564.07 : x
  2. Step 2: Convert to fraction form
    13,549.98/20,292.32 = 11,564.07/x
  3. Step 3: Cross multiply
    13,549.98x = 20,292.32 × 11,564.07
  4. Step 4: Simplify right side
    13,549.98x = 234,661,761.76
  5. Step 5: Solve for x
    x = 234,661,761.76/13,549.98
  6. Step 6: Final answer
    x = 17,318.23

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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.