Home / 19,686.22-27,167.12-10,733.80

Finding the Fourth Proportional to 19,686.22, 27,167.12 and 10,733.80

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Solution

The fourth proportional to 19,686.22, 27,167.12 and 10,733.80 is: 14,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.22 : 27,167.12 = 10,733.80 : x
  2. Step 2: Convert to fraction form
    19,686.22/27,167.12 = 10,733.80/x
  3. Step 3: Cross multiply
    19,686.22x = 27,167.12 × 10,733.80
  4. Step 4: Simplify right side
    19,686.22x = 291,606,432.66
  5. Step 5: Solve for x
    x = 291,606,432.66/19,686.22
  6. Step 6: Final answer
    x = 14,812.72

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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.