Home / 22,908.12-31,612.93-12,836.53

Finding the Fourth Proportional to 22,908.12, 31,612.93 and 12,836.53

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Solution

The fourth proportional to 22,908.12, 31,612.93 and 12,836.53 is: 17,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.12 : 31,612.93 = 12,836.53 : x
  2. Step 2: Convert to fraction form
    22,908.12/31,612.93 = 12,836.53/x
  3. Step 3: Cross multiply
    22,908.12x = 31,612.93 × 12,836.53
  4. Step 4: Simplify right side
    22,908.12x = 405,800,226.14
  5. Step 5: Solve for x
    x = 405,800,226.14/22,908.12
  6. Step 6: Final answer
    x = 17,714.26

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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.