Home / 13,743.64-18,954.50-10,564.64

Finding the Fourth Proportional to 13,743.64, 18,954.50 and 10,564.64

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Solution

The fourth proportional to 13,743.64, 18,954.50 and 10,564.64 is: 14,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.64 : 18,954.50 = 10,564.64 : x
  2. Step 2: Convert to fraction form
    13,743.64/18,954.50 = 10,564.64/x
  3. Step 3: Cross multiply
    13,743.64x = 18,954.50 × 10,564.64
  4. Step 4: Simplify right side
    13,743.64x = 200,247,468.88
  5. Step 5: Solve for x
    x = 200,247,468.88/13,743.64
  6. Step 6: Final answer
    x = 14,570.19

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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.