Home / 13,315.11-19,972.66-4,550.10

Finding the Fourth Proportional to 13,315.11, 19,972.66 and 4,550.10

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Solution

The fourth proportional to 13,315.11, 19,972.66 and 4,550.10 is: 6,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.11 : 19,972.66 = 4,550.10 : x
  2. Step 2: Convert to fraction form
    13,315.11/19,972.66 = 4,550.10/x
  3. Step 3: Cross multiply
    13,315.11x = 19,972.66 × 4,550.10
  4. Step 4: Simplify right side
    13,315.11x = 90,877,600.27
  5. Step 5: Solve for x
    x = 90,877,600.27/13,315.11
  6. Step 6: Final answer
    x = 6,825.15

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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.