Home / 13,066.07-19,585.68-5,165.38

Finding the Fourth Proportional to 13,066.07, 19,585.68 and 5,165.38

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Solution

The fourth proportional to 13,066.07, 19,585.68 and 5,165.38 is: 7,742.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.07 : 19,585.68 = 5,165.38 : x
  2. Step 2: Convert to fraction form
    13,066.07/19,585.68 = 5,165.38/x
  3. Step 3: Cross multiply
    13,066.07x = 19,585.68 × 5,165.38
  4. Step 4: Simplify right side
    13,066.07x = 101,167,479.76
  5. Step 5: Solve for x
    x = 101,167,479.76/13,066.07
  6. Step 6: Final answer
    x = 7,742.76

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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.