Home / 13,557.71-20,244.26-11,963.13

Finding the Fourth Proportional to 13,557.71, 20,244.26 and 11,963.13

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Solution

The fourth proportional to 13,557.71, 20,244.26 and 11,963.13 is: 17,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.71 : 20,244.26 = 11,963.13 : x
  2. Step 2: Convert to fraction form
    13,557.71/20,244.26 = 11,963.13/x
  3. Step 3: Cross multiply
    13,557.71x = 20,244.26 × 11,963.13
  4. Step 4: Simplify right side
    13,557.71x = 242,184,654.32
  5. Step 5: Solve for x
    x = 242,184,654.32/13,557.71
  6. Step 6: Final answer
    x = 17,863.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.