Home / 15,758.19-21,746.31-8,588.11

Finding the Fourth Proportional to 15,758.19, 21,746.31 and 8,588.11

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Solution

The fourth proportional to 15,758.19, 21,746.31 and 8,588.11 is: 11,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758.19 : 21,746.31 = 8,588.11 : x
  2. Step 2: Convert to fraction form
    15,758.19/21,746.31 = 8,588.11/x
  3. Step 3: Cross multiply
    15,758.19x = 21,746.31 × 8,588.11
  4. Step 4: Simplify right side
    15,758.19x = 186,759,659.43
  5. Step 5: Solve for x
    x = 186,759,659.43/15,758.19
  6. Step 6: Final answer
    x = 11,851.59

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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.