Home / 17,139.16-23,651.10-9,585.79

Finding the Fourth Proportional to 17,139.16, 23,651.10 and 9,585.79

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Solution

The fourth proportional to 17,139.16, 23,651.10 and 9,585.79 is: 13,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.16 : 23,651.10 = 9,585.79 : x
  2. Step 2: Convert to fraction form
    17,139.16/23,651.10 = 9,585.79/x
  3. Step 3: Cross multiply
    17,139.16x = 23,651.10 × 9,585.79
  4. Step 4: Simplify right side
    17,139.16x = 226,714,477.87
  5. Step 5: Solve for x
    x = 226,714,477.87/17,139.16
  6. Step 6: Final answer
    x = 13,227.86

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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.