Home / 19,018.13-28,527.26-5,167.13

Finding the Fourth Proportional to 19,018.13, 28,527.26 and 5,167.13

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Solution

The fourth proportional to 19,018.13, 28,527.26 and 5,167.13 is: 7,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.13 : 28,527.26 = 5,167.13 : x
  2. Step 2: Convert to fraction form
    19,018.13/28,527.26 = 5,167.13/x
  3. Step 3: Cross multiply
    19,018.13x = 28,527.26 × 5,167.13
  4. Step 4: Simplify right side
    19,018.13x = 147,403,892.49
  5. Step 5: Solve for x
    x = 147,403,892.49/19,018.13
  6. Step 6: Final answer
    x = 7,750.71

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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.