Home / 22,440.85-30,968.59-12,369.68

Finding the Fourth Proportional to 22,440.85, 30,968.59 and 12,369.68

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Solution

The fourth proportional to 22,440.85, 30,968.59 and 12,369.68 is: 17,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.85 : 30,968.59 = 12,369.68 : x
  2. Step 2: Convert to fraction form
    22,440.85/30,968.59 = 12,369.68/x
  3. Step 3: Cross multiply
    22,440.85x = 30,968.59 × 12,369.68
  4. Step 4: Simplify right side
    22,440.85x = 383,071,548.35
  5. Step 5: Solve for x
    x = 383,071,548.35/22,440.85
  6. Step 6: Final answer
    x = 17,070.28

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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.