Home / 20,038.12-27,651.76-10,963.32

Finding the Fourth Proportional to 20,038.12, 27,651.76 and 10,963.32

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Solution

The fourth proportional to 20,038.12, 27,651.76 and 10,963.32 is: 15,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.12 : 27,651.76 = 10,963.32 : x
  2. Step 2: Convert to fraction form
    20,038.12/27,651.76 = 10,963.32/x
  3. Step 3: Cross multiply
    20,038.12x = 27,651.76 × 10,963.32
  4. Step 4: Simplify right side
    20,038.12x = 303,155,093.44
  5. Step 5: Solve for x
    x = 303,155,093.44/20,038.12
  6. Step 6: Final answer
    x = 15,128.92

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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.