Home / 19,887.57-27,444.96-10,935.65

Finding the Fourth Proportional to 19,887.57, 27,444.96 and 10,935.65

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Solution

The fourth proportional to 19,887.57, 27,444.96 and 10,935.65 is: 15,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.57 : 27,444.96 = 10,935.65 : x
  2. Step 2: Convert to fraction form
    19,887.57/27,444.96 = 10,935.65/x
  3. Step 3: Cross multiply
    19,887.57x = 27,444.96 × 10,935.65
  4. Step 4: Simplify right side
    19,887.57x = 300,128,504.43
  5. Step 5: Solve for x
    x = 300,128,504.43/19,887.57
  6. Step 6: Final answer
    x = 15,091.26

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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.