Home / 13,126.75-19,699.25-5,335.57

Finding the Fourth Proportional to 13,126.75, 19,699.25 and 5,335.57

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Solution

The fourth proportional to 13,126.75, 19,699.25 and 5,335.57 is: 8,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.75 : 19,699.25 = 5,335.57 : x
  2. Step 2: Convert to fraction form
    13,126.75/19,699.25 = 5,335.57/x
  3. Step 3: Cross multiply
    13,126.75x = 19,699.25 × 5,335.57
  4. Step 4: Simplify right side
    13,126.75x = 105,106,727.32
  5. Step 5: Solve for x
    x = 105,106,727.32/13,126.75
  6. Step 6: Final answer
    x = 8,007.06

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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.