Home / 19,288.71-26,616.14-10,791.32

Finding the Fourth Proportional to 19,288.71, 26,616.14 and 10,791.32

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Solution

The fourth proportional to 19,288.71, 26,616.14 and 10,791.32 is: 14,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.71 : 26,616.14 = 10,791.32 : x
  2. Step 2: Convert to fraction form
    19,288.71/26,616.14 = 10,791.32/x
  3. Step 3: Cross multiply
    19,288.71x = 26,616.14 × 10,791.32
  4. Step 4: Simplify right side
    19,288.71x = 287,223,096.87
  5. Step 5: Solve for x
    x = 287,223,096.87/19,288.71
  6. Step 6: Final answer
    x = 14,890.74

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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.