Home / 22,613.84-31,203.72-12,922.58

Finding the Fourth Proportional to 22,613.84, 31,203.72 and 12,922.58

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Solution

The fourth proportional to 22,613.84, 31,203.72 and 12,922.58 is: 17,831.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.84 : 31,203.72 = 12,922.58 : x
  2. Step 2: Convert to fraction form
    22,613.84/31,203.72 = 12,922.58/x
  3. Step 3: Cross multiply
    22,613.84x = 31,203.72 × 12,922.58
  4. Step 4: Simplify right side
    22,613.84x = 403,232,568.00
  5. Step 5: Solve for x
    x = 403,232,568.00/22,613.84
  6. Step 6: Final answer
    x = 17,831.23

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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.