Home / 19,612.50-27,065.85-11,114.40

Finding the Fourth Proportional to 19,612.50, 27,065.85 and 11,114.40

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Solution

The fourth proportional to 19,612.50, 27,065.85 and 11,114.40 is: 15,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.50 : 27,065.85 = 11,114.40 : x
  2. Step 2: Convert to fraction form
    19,612.50/27,065.85 = 11,114.40/x
  3. Step 3: Cross multiply
    19,612.50x = 27,065.85 × 11,114.40
  4. Step 4: Simplify right side
    19,612.50x = 300,820,683.24
  5. Step 5: Solve for x
    x = 300,820,683.24/19,612.50
  6. Step 6: Final answer
    x = 15,338.21

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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.