Home / 15,671.57-23,505.20-5,809.49

Finding the Fourth Proportional to 15,671.57, 23,505.20 and 5,809.49

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Solution

The fourth proportional to 15,671.57, 23,505.20 and 5,809.49 is: 8,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671.57 : 23,505.20 = 5,809.49 : x
  2. Step 2: Convert to fraction form
    15,671.57/23,505.20 = 5,809.49/x
  3. Step 3: Cross multiply
    15,671.57x = 23,505.20 × 5,809.49
  4. Step 4: Simplify right side
    15,671.57x = 136,553,077.77
  5. Step 5: Solve for x
    x = 136,553,077.77/15,671.57
  6. Step 6: Final answer
    x = 8,713.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.