Home / 24,212.57-33,336.10-20,661.53

Finding the Fourth Proportional to 24,212.57, 33,336.10 and 20,661.53

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Solution

The fourth proportional to 24,212.57, 33,336.10 and 20,661.53 is: 28,446.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,212.57 : 33,336.10 = 20,661.53 : x
  2. Step 2: Convert to fraction form
    24,212.57/33,336.10 = 20,661.53/x
  3. Step 3: Cross multiply
    24,212.57x = 33,336.10 × 20,661.53
  4. Step 4: Simplify right side
    24,212.57x = 688,774,830.23
  5. Step 5: Solve for x
    x = 688,774,830.23/24,212.57
  6. Step 6: Final answer
    x = 28,446.99

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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.