Home / 13,157.14-19,735.88-4,392.06

Finding the Fourth Proportional to 13,157.14, 19,735.88 and 4,392.06

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Solution

The fourth proportional to 13,157.14, 19,735.88 and 4,392.06 is: 6,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.14 : 19,735.88 = 4,392.06 : x
  2. Step 2: Convert to fraction form
    13,157.14/19,735.88 = 4,392.06/x
  3. Step 3: Cross multiply
    13,157.14x = 19,735.88 × 4,392.06
  4. Step 4: Simplify right side
    13,157.14x = 86,681,169.11
  5. Step 5: Solve for x
    x = 86,681,169.11/13,157.14
  6. Step 6: Final answer
    x = 6,588.15

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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.