Home / 13,971.99-20,960.57-4,612.66

Finding the Fourth Proportional to 13,971.99, 20,960.57 and 4,612.66

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Solution

The fourth proportional to 13,971.99, 20,960.57 and 4,612.66 is: 6,919.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.99 : 20,960.57 = 4,612.66 : x
  2. Step 2: Convert to fraction form
    13,971.99/20,960.57 = 4,612.66/x
  3. Step 3: Cross multiply
    13,971.99x = 20,960.57 × 4,612.66
  4. Step 4: Simplify right side
    13,971.99x = 96,683,941.95
  5. Step 5: Solve for x
    x = 96,683,941.95/13,971.99
  6. Step 6: Final answer
    x = 6,919.84

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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.