Home / 16,982.86-23,437.08-9,429.19

Finding the Fourth Proportional to 16,982.86, 23,437.08 and 9,429.19

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Solution

The fourth proportional to 16,982.86, 23,437.08 and 9,429.19 is: 13,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.86 : 23,437.08 = 9,429.19 : x
  2. Step 2: Convert to fraction form
    16,982.86/23,437.08 = 9,429.19/x
  3. Step 3: Cross multiply
    16,982.86x = 23,437.08 × 9,429.19
  4. Step 4: Simplify right side
    16,982.86x = 220,992,606.71
  5. Step 5: Solve for x
    x = 220,992,606.71/16,982.86
  6. Step 6: Final answer
    x = 13,012.69

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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.