Home / 15,099.89-22,650.05-5,239.47

Finding the Fourth Proportional to 15,099.89, 22,650.05 and 5,239.47

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Solution

The fourth proportional to 15,099.89, 22,650.05 and 5,239.47 is: 7,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099.89 : 22,650.05 = 5,239.47 : x
  2. Step 2: Convert to fraction form
    15,099.89/22,650.05 = 5,239.47/x
  3. Step 3: Cross multiply
    15,099.89x = 22,650.05 × 5,239.47
  4. Step 4: Simplify right side
    15,099.89x = 118,674,355.51
  5. Step 5: Solve for x
    x = 118,674,355.51/15,099.89
  6. Step 6: Final answer
    x = 7,859.29

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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.