Home / 19,023.28-26,252.22-10,639.78

Finding the Fourth Proportional to 19,023.28, 26,252.22 and 10,639.78

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Solution

The fourth proportional to 19,023.28, 26,252.22 and 10,639.78 is: 14,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.28 : 26,252.22 = 10,639.78 : x
  2. Step 2: Convert to fraction form
    19,023.28/26,252.22 = 10,639.78/x
  3. Step 3: Cross multiply
    19,023.28x = 26,252.22 × 10,639.78
  4. Step 4: Simplify right side
    19,023.28x = 279,317,858.18
  5. Step 5: Solve for x
    x = 279,317,858.18/19,023.28
  6. Step 6: Final answer
    x = 14,682.95

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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.