Home / 22,421.61-30,941.82-12,349.97

Finding the Fourth Proportional to 22,421.61, 30,941.82 and 12,349.97

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Solution

The fourth proportional to 22,421.61, 30,941.82 and 12,349.97 is: 17,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.61 : 30,941.82 = 12,349.97 : x
  2. Step 2: Convert to fraction form
    22,421.61/30,941.82 = 12,349.97/x
  3. Step 3: Cross multiply
    22,421.61x = 30,941.82 × 12,349.97
  4. Step 4: Simplify right side
    22,421.61x = 382,130,394.04
  5. Step 5: Solve for x
    x = 382,130,394.04/22,421.61
  6. Step 6: Final answer
    x = 17,042.95

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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.