Home / 13,986.16-19,298.68-8,016.74

Finding the Fourth Proportional to 13,986.16, 19,298.68 and 8,016.74

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Solution

The fourth proportional to 13,986.16, 19,298.68 and 8,016.74 is: 11,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.16 : 19,298.68 = 8,016.74 : x
  2. Step 2: Convert to fraction form
    13,986.16/19,298.68 = 8,016.74/x
  3. Step 3: Cross multiply
    13,986.16x = 19,298.68 × 8,016.74
  4. Step 4: Simplify right side
    13,986.16x = 154,712,499.90
  5. Step 5: Solve for x
    x = 154,712,499.90/13,986.16
  6. Step 6: Final answer
    x = 11,061.83

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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.