Home / 19,686.47-29,537.06-11,794.55

Finding the Fourth Proportional to 19,686.47, 29,537.06 and 11,794.55

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Solution

The fourth proportional to 19,686.47, 29,537.06 and 11,794.55 is: 17,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.47 : 29,537.06 = 11,794.55 : x
  2. Step 2: Convert to fraction form
    19,686.47/29,537.06 = 11,794.55/x
  3. Step 3: Cross multiply
    19,686.47x = 29,537.06 × 11,794.55
  4. Step 4: Simplify right side
    19,686.47x = 348,376,124.36
  5. Step 5: Solve for x
    x = 348,376,124.36/19,686.47
  6. Step 6: Final answer
    x = 17,696.23

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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.