Home / 19,151.12-26,428.47-10,767.62

Finding the Fourth Proportional to 19,151.12, 26,428.47 and 10,767.62

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Solution

The fourth proportional to 19,151.12, 26,428.47 and 10,767.62 is: 14,859.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.12 : 26,428.47 = 10,767.62 : x
  2. Step 2: Convert to fraction form
    19,151.12/26,428.47 = 10,767.62/x
  3. Step 3: Cross multiply
    19,151.12x = 26,428.47 × 10,767.62
  4. Step 4: Simplify right side
    19,151.12x = 284,571,722.14
  5. Step 5: Solve for x
    x = 284,571,722.14/19,151.12
  6. Step 6: Final answer
    x = 14,859.27

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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.