Home / 14,762.43-20,371.67-8,047.95

Finding the Fourth Proportional to 14,762.43, 20,371.67 and 8,047.95

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Solution

The fourth proportional to 14,762.43, 20,371.67 and 8,047.95 is: 11,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.43 : 20,371.67 = 8,047.95 : x
  2. Step 2: Convert to fraction form
    14,762.43/20,371.67 = 8,047.95/x
  3. Step 3: Cross multiply
    14,762.43x = 20,371.67 × 8,047.95
  4. Step 4: Simplify right side
    14,762.43x = 163,950,079.72
  5. Step 5: Solve for x
    x = 163,950,079.72/14,762.43
  6. Step 6: Final answer
    x = 11,105.90

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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.