Home / 15,421.02-23,131.60-3,734.22

Finding the Fourth Proportional to 15,421.02, 23,131.60 and 3,734.22

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Solution

The fourth proportional to 15,421.02, 23,131.60 and 3,734.22 is: 5,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.02 : 23,131.60 = 3,734.22 : x
  2. Step 2: Convert to fraction form
    15,421.02/23,131.60 = 3,734.22/x
  3. Step 3: Cross multiply
    15,421.02x = 23,131.60 × 3,734.22
  4. Step 4: Simplify right side
    15,421.02x = 86,378,483.35
  5. Step 5: Solve for x
    x = 86,378,483.35/15,421.02
  6. Step 6: Final answer
    x = 5,601.35

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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.