Home / 13,224.42-19,825.56-4,899.78

Finding the Fourth Proportional to 13,224.42, 19,825.56 and 4,899.78

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Solution

The fourth proportional to 13,224.42, 19,825.56 and 4,899.78 is: 7,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.42 : 19,825.56 = 4,899.78 : x
  2. Step 2: Convert to fraction form
    13,224.42/19,825.56 = 4,899.78/x
  3. Step 3: Cross multiply
    13,224.42x = 19,825.56 × 4,899.78
  4. Step 4: Simplify right side
    13,224.42x = 97,140,882.38
  5. Step 5: Solve for x
    x = 97,140,882.38/13,224.42
  6. Step 6: Final answer
    x = 7,345.57

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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.