Home / 13,126.32-19,686.27-3,764.14

Finding the Fourth Proportional to 13,126.32, 19,686.27 and 3,764.14

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Solution

The fourth proportional to 13,126.32, 19,686.27 and 3,764.14 is: 5,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.32 : 19,686.27 = 3,764.14 : x
  2. Step 2: Convert to fraction form
    13,126.32/19,686.27 = 3,764.14/x
  3. Step 3: Cross multiply
    13,126.32x = 19,686.27 × 3,764.14
  4. Step 4: Simplify right side
    13,126.32x = 74,101,841.26
  5. Step 5: Solve for x
    x = 74,101,841.26/13,126.32
  6. Step 6: Final answer
    x = 5,645.29

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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.