Home / 15,090.30-22,639.37-5,730.48

Finding the Fourth Proportional to 15,090.30, 22,639.37 and 5,730.48

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Solution

The fourth proportional to 15,090.30, 22,639.37 and 5,730.48 is: 8,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.30 : 22,639.37 = 5,730.48 : x
  2. Step 2: Convert to fraction form
    15,090.30/22,639.37 = 5,730.48/x
  3. Step 3: Cross multiply
    15,090.30x = 22,639.37 × 5,730.48
  4. Step 4: Simplify right side
    15,090.30x = 129,734,428.35
  5. Step 5: Solve for x
    x = 129,734,428.35/15,090.30
  6. Step 6: Final answer
    x = 8,597.21

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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.