Home / 15,045.12-22,568.94-5,180.40

Finding the Fourth Proportional to 15,045.12, 22,568.94 and 5,180.40

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Solution

The fourth proportional to 15,045.12, 22,568.94 and 5,180.40 is: 7,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,045.12 : 22,568.94 = 5,180.40 : x
  2. Step 2: Convert to fraction form
    15,045.12/22,568.94 = 5,180.40/x
  3. Step 3: Cross multiply
    15,045.12x = 22,568.94 × 5,180.40
  4. Step 4: Simplify right side
    15,045.12x = 116,916,136.78
  5. Step 5: Solve for x
    x = 116,916,136.78/15,045.12
  6. Step 6: Final answer
    x = 7,771.03

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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.