Home / 16,980.73-23,436.20-9,429.47

Finding the Fourth Proportional to 16,980.73, 23,436.20 and 9,429.47

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Solution

The fourth proportional to 16,980.73, 23,436.20 and 9,429.47 is: 13,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980.73 : 23,436.20 = 9,429.47 : x
  2. Step 2: Convert to fraction form
    16,980.73/23,436.20 = 9,429.47/x
  3. Step 3: Cross multiply
    16,980.73x = 23,436.20 × 9,429.47
  4. Step 4: Simplify right side
    16,980.73x = 220,990,944.81
  5. Step 5: Solve for x
    x = 220,990,944.81/16,980.73
  6. Step 6: Final answer
    x = 13,014.22

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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.