Home / 19,387.68-26,752.32-11,002.56

Finding the Fourth Proportional to 19,387.68, 26,752.32 and 11,002.56

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Solution

The fourth proportional to 19,387.68, 26,752.32 and 11,002.56 is: 15,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.68 : 26,752.32 = 11,002.56 : x
  2. Step 2: Convert to fraction form
    19,387.68/26,752.32 = 11,002.56/x
  3. Step 3: Cross multiply
    19,387.68x = 26,752.32 × 11,002.56
  4. Step 4: Simplify right side
    19,387.68x = 294,344,005.94
  5. Step 5: Solve for x
    x = 294,344,005.94/19,387.68
  6. Step 6: Final answer
    x = 15,182.01

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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.