Home / 19,617.22-27,071.76-10,664.70

Finding the Fourth Proportional to 19,617.22, 27,071.76 and 10,664.70

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Solution

The fourth proportional to 19,617.22, 27,071.76 and 10,664.70 is: 14,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.22 : 27,071.76 = 10,664.70 : x
  2. Step 2: Convert to fraction form
    19,617.22/27,071.76 = 10,664.70/x
  3. Step 3: Cross multiply
    19,617.22x = 27,071.76 × 10,664.70
  4. Step 4: Simplify right side
    19,617.22x = 288,712,198.87
  5. Step 5: Solve for x
    x = 288,712,198.87/19,617.22
  6. Step 6: Final answer
    x = 14,717.28

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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.