Home / 22,684.38-31,303.02-12,612.64

Finding the Fourth Proportional to 22,684.38, 31,303.02 and 12,612.64

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Solution

The fourth proportional to 22,684.38, 31,303.02 and 12,612.64 is: 17,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,684.38 : 31,303.02 = 12,612.64 : x
  2. Step 2: Convert to fraction form
    22,684.38/31,303.02 = 12,612.64/x
  3. Step 3: Cross multiply
    22,684.38x = 31,303.02 × 12,612.64
  4. Step 4: Simplify right side
    22,684.38x = 394,813,722.17
  5. Step 5: Solve for x
    x = 394,813,722.17/22,684.38
  6. Step 6: Final answer
    x = 17,404.65

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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.