Home / 19,616.67-27,071.54-10,664.79

Finding the Fourth Proportional to 19,616.67, 27,071.54 and 10,664.79

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Solution

The fourth proportional to 19,616.67, 27,071.54 and 10,664.79 is: 14,717.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.67 : 27,071.54 = 10,664.79 : x
  2. Step 2: Convert to fraction form
    19,616.67/27,071.54 = 10,664.79/x
  3. Step 3: Cross multiply
    19,616.67x = 27,071.54 × 10,664.79
  4. Step 4: Simplify right side
    19,616.67x = 288,712,134.23
  5. Step 5: Solve for x
    x = 288,712,134.23/19,616.67
  6. Step 6: Final answer
    x = 14,717.69

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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.