Home / 18,473.76-27,703.32-10,688.04

Finding the Fourth Proportional to 18,473.76, 27,703.32 and 10,688.04

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Solution

The fourth proportional to 18,473.76, 27,703.32 and 10,688.04 is: 16,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.76 : 27,703.32 = 10,688.04 : x
  2. Step 2: Convert to fraction form
    18,473.76/27,703.32 = 10,688.04/x
  3. Step 3: Cross multiply
    18,473.76x = 27,703.32 × 10,688.04
  4. Step 4: Simplify right side
    18,473.76x = 296,094,192.29
  5. Step 5: Solve for x
    x = 296,094,192.29/18,473.76
  6. Step 6: Final answer
    x = 16,027.82

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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.