Home / 16,965.06-23,410.62-9,411.08

Finding the Fourth Proportional to 16,965.06, 23,410.62 and 9,411.08

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Solution

The fourth proportional to 16,965.06, 23,410.62 and 9,411.08 is: 12,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.06 : 23,410.62 = 9,411.08 : x
  2. Step 2: Convert to fraction form
    16,965.06/23,410.62 = 9,411.08/x
  3. Step 3: Cross multiply
    16,965.06x = 23,410.62 × 9,411.08
  4. Step 4: Simplify right side
    16,965.06x = 220,319,217.67
  5. Step 5: Solve for x
    x = 220,319,217.67/16,965.06
  6. Step 6: Final answer
    x = 12,986.65

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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.