Home / 13,476.70-20,222.57-5,585.05

Finding the Fourth Proportional to 13,476.70, 20,222.57 and 5,585.05

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Solution

The fourth proportional to 13,476.70, 20,222.57 and 5,585.05 is: 8,380.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.70 : 20,222.57 = 5,585.05 : x
  2. Step 2: Convert to fraction form
    13,476.70/20,222.57 = 5,585.05/x
  3. Step 3: Cross multiply
    13,476.70x = 20,222.57 × 5,585.05
  4. Step 4: Simplify right side
    13,476.70x = 112,944,111.67
  5. Step 5: Solve for x
    x = 112,944,111.67/13,476.70
  6. Step 6: Final answer
    x = 8,380.69

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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.