Home / 13,126.51-19,690.58-3,767.16

Finding the Fourth Proportional to 13,126.51, 19,690.58 and 3,767.16

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Solution

The fourth proportional to 13,126.51, 19,690.58 and 3,767.16 is: 5,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.51 : 19,690.58 = 3,767.16 : x
  2. Step 2: Convert to fraction form
    13,126.51/19,690.58 = 3,767.16/x
  3. Step 3: Cross multiply
    13,126.51x = 19,690.58 × 3,767.16
  4. Step 4: Simplify right side
    13,126.51x = 74,177,565.35
  5. Step 5: Solve for x
    x = 74,177,565.35/13,126.51
  6. Step 6: Final answer
    x = 5,650.97

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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.