Home / 13,975.96-19,286.51-8,011.14

Finding the Fourth Proportional to 13,975.96, 19,286.51 and 8,011.14

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Solution

The fourth proportional to 13,975.96, 19,286.51 and 8,011.14 is: 11,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.96 : 19,286.51 = 8,011.14 : x
  2. Step 2: Convert to fraction form
    13,975.96/19,286.51 = 8,011.14/x
  3. Step 3: Cross multiply
    13,975.96x = 19,286.51 × 8,011.14
  4. Step 4: Simplify right side
    13,975.96x = 154,506,891.67
  5. Step 5: Solve for x
    x = 154,506,891.67/13,975.96
  6. Step 6: Final answer
    x = 11,055.19

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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.