Home / 15,603.37-23,400.19-5,212.69

Finding the Fourth Proportional to 15,603.37, 23,400.19 and 5,212.69

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Solution

The fourth proportional to 15,603.37, 23,400.19 and 5,212.69 is: 7,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.37 : 23,400.19 = 5,212.69 : x
  2. Step 2: Convert to fraction form
    15,603.37/23,400.19 = 5,212.69/x
  3. Step 3: Cross multiply
    15,603.37x = 23,400.19 × 5,212.69
  4. Step 4: Simplify right side
    15,603.37x = 121,977,864.88
  5. Step 5: Solve for x
    x = 121,977,864.88/15,603.37
  6. Step 6: Final answer
    x = 7,817.41

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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.