Home / 25,121.64-34,667.88-13,943.64

Finding the Fourth Proportional to 25,121.64, 34,667.88 and 13,943.64

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Solution

The fourth proportional to 25,121.64, 34,667.88 and 13,943.64 is: 19,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.64 : 34,667.88 = 13,943.64 : x
  2. Step 2: Convert to fraction form
    25,121.64/34,667.88 = 13,943.64/x
  3. Step 3: Cross multiply
    25,121.64x = 34,667.88 × 13,943.64
  4. Step 4: Simplify right side
    25,121.64x = 483,396,438.28
  5. Step 5: Solve for x
    x = 483,396,438.28/25,121.64
  6. Step 6: Final answer
    x = 19,242.23

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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.