Home / 16,842.47-23,243.63-9,288.77

Finding the Fourth Proportional to 16,842.47, 23,243.63 and 9,288.77

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Solution

The fourth proportional to 16,842.47, 23,243.63 and 9,288.77 is: 12,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.47 : 23,243.63 = 9,288.77 : x
  2. Step 2: Convert to fraction form
    16,842.47/23,243.63 = 9,288.77/x
  3. Step 3: Cross multiply
    16,842.47x = 23,243.63 × 9,288.77
  4. Step 4: Simplify right side
    16,842.47x = 215,904,570.37
  5. Step 5: Solve for x
    x = 215,904,570.37/16,842.47
  6. Step 6: Final answer
    x = 12,819.06

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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.