Home / 14,671.87-20,247.10-7,957.66

Finding the Fourth Proportional to 14,671.87, 20,247.10 and 7,957.66

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Solution

The fourth proportional to 14,671.87, 20,247.10 and 7,957.66 is: 10,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.87 : 20,247.10 = 7,957.66 : x
  2. Step 2: Convert to fraction form
    14,671.87/20,247.10 = 7,957.66/x
  3. Step 3: Cross multiply
    14,671.87x = 20,247.10 × 7,957.66
  4. Step 4: Simplify right side
    14,671.87x = 161,119,537.79
  5. Step 5: Solve for x
    x = 161,119,537.79/14,671.87
  6. Step 6: Final answer
    x = 10,981.53

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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.