Home / 15,615.36-23,425.38-5,224.68

Finding the Fourth Proportional to 15,615.36, 23,425.38 and 5,224.68

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Solution

The fourth proportional to 15,615.36, 23,425.38 and 5,224.68 is: 7,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.36 : 23,425.38 = 5,224.68 : x
  2. Step 2: Convert to fraction form
    15,615.36/23,425.38 = 5,224.68/x
  3. Step 3: Cross multiply
    15,615.36x = 23,425.38 × 5,224.68
  4. Step 4: Simplify right side
    15,615.36x = 122,390,114.38
  5. Step 5: Solve for x
    x = 122,390,114.38/15,615.36
  6. Step 6: Final answer
    x = 7,837.80

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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.