Home / 22,347.21-30,839.51-12,276.57

Finding the Fourth Proportional to 22,347.21, 30,839.51 and 12,276.57

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Solution

The fourth proportional to 22,347.21, 30,839.51 and 12,276.57 is: 16,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.21 : 30,839.51 = 12,276.57 : x
  2. Step 2: Convert to fraction form
    22,347.21/30,839.51 = 12,276.57/x
  3. Step 3: Cross multiply
    22,347.21x = 30,839.51 × 12,276.57
  4. Step 4: Simplify right side
    22,347.21x = 378,603,403.28
  5. Step 5: Solve for x
    x = 378,603,403.28/22,347.21
  6. Step 6: Final answer
    x = 16,941.86

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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.