Home / 16,431.06-22,671.24-9,712.08

Finding the Fourth Proportional to 16,431.06, 22,671.24 and 9,712.08

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Solution

The fourth proportional to 16,431.06, 22,671.24 and 9,712.08 is: 13,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.06 : 22,671.24 = 9,712.08 : x
  2. Step 2: Convert to fraction form
    16,431.06/22,671.24 = 9,712.08/x
  3. Step 3: Cross multiply
    16,431.06x = 22,671.24 × 9,712.08
  4. Step 4: Simplify right side
    16,431.06x = 220,184,896.58
  5. Step 5: Solve for x
    x = 220,184,896.58/16,431.06
  6. Step 6: Final answer
    x = 13,400.53

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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.