Home / 16,900.79-23,323.97-9,731.77

Finding the Fourth Proportional to 16,900.79, 23,323.97 and 9,731.77

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Solution

The fourth proportional to 16,900.79, 23,323.97 and 9,731.77 is: 13,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,900.79 : 23,323.97 = 9,731.77 : x
  2. Step 2: Convert to fraction form
    16,900.79/23,323.97 = 9,731.77/x
  3. Step 3: Cross multiply
    16,900.79x = 23,323.97 × 9,731.77
  4. Step 4: Simplify right side
    16,900.79x = 226,983,462.87
  5. Step 5: Solve for x
    x = 226,983,462.87/16,900.79
  6. Step 6: Final answer
    x = 13,430.35

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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.