Home / 19,840.39-29,689.52-17,181.19

Finding the Fourth Proportional to 19,840.39, 29,689.52 and 17,181.19

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Solution

The fourth proportional to 19,840.39, 29,689.52 and 17,181.19 is: 25,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.39 : 29,689.52 = 17,181.19 : x
  2. Step 2: Convert to fraction form
    19,840.39/29,689.52 = 17,181.19/x
  3. Step 3: Cross multiply
    19,840.39x = 29,689.52 × 17,181.19
  4. Step 4: Simplify right side
    19,840.39x = 510,101,252.86
  5. Step 5: Solve for x
    x = 510,101,252.86/19,840.39
  6. Step 6: Final answer
    x = 25,710.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.