Home / 22,684.40-31,302.70-12,612.23

Finding the Fourth Proportional to 22,684.40, 31,302.70 and 12,612.23

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Solution

The fourth proportional to 22,684.40, 31,302.70 and 12,612.23 is: 17,403.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,684.40 : 31,302.70 = 12,612.23 : x
  2. Step 2: Convert to fraction form
    22,684.40/31,302.70 = 12,612.23/x
  3. Step 3: Cross multiply
    22,684.40x = 31,302.70 × 12,612.23
  4. Step 4: Simplify right side
    22,684.40x = 394,796,852.02
  5. Step 5: Solve for x
    x = 394,796,852.02/22,684.40
  6. Step 6: Final answer
    x = 17,403.89

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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.