Home / 13,972.11-20,957.93-4,612.74

Finding the Fourth Proportional to 13,972.11, 20,957.93 and 4,612.74

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Solution

The fourth proportional to 13,972.11, 20,957.93 and 4,612.74 is: 6,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.11 : 20,957.93 = 4,612.74 : x
  2. Step 2: Convert to fraction form
    13,972.11/20,957.93 = 4,612.74/x
  3. Step 3: Cross multiply
    13,972.11x = 20,957.93 × 4,612.74
  4. Step 4: Simplify right side
    13,972.11x = 96,673,482.03
  5. Step 5: Solve for x
    x = 96,673,482.03/13,972.11
  6. Step 6: Final answer
    x = 6,919.03

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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.