Home / 14,684.13-20,280.91-9,670.76

Finding the Fourth Proportional to 14,684.13, 20,280.91 and 9,670.76

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Solution

The fourth proportional to 14,684.13, 20,280.91 and 9,670.76 is: 13,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684.13 : 20,280.91 = 9,670.76 : x
  2. Step 2: Convert to fraction form
    14,684.13/20,280.91 = 9,670.76/x
  3. Step 3: Cross multiply
    14,684.13x = 20,280.91 × 9,670.76
  4. Step 4: Simplify right side
    14,684.13x = 196,131,711.79
  5. Step 5: Solve for x
    x = 196,131,711.79/14,684.13
  6. Step 6: Final answer
    x = 13,356.72

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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.