Home / 16,707.80-23,056.07-9,992.12

Finding the Fourth Proportional to 16,707.80, 23,056.07 and 9,992.12

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Solution

The fourth proportional to 16,707.80, 23,056.07 and 9,992.12 is: 13,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,707.80 : 23,056.07 = 9,992.12 : x
  2. Step 2: Convert to fraction form
    16,707.80/23,056.07 = 9,992.12/x
  3. Step 3: Cross multiply
    16,707.80x = 23,056.07 × 9,992.12
  4. Step 4: Simplify right side
    16,707.80x = 230,378,852.93
  5. Step 5: Solve for x
    x = 230,378,852.93/16,707.80
  6. Step 6: Final answer
    x = 13,788.70

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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.