Home / 15,090.31-22,643.25-6,776.11

Finding the Fourth Proportional to 15,090.31, 22,643.25 and 6,776.11

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Solution

The fourth proportional to 15,090.31, 22,643.25 and 6,776.11 is: 10,167.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.31 : 22,643.25 = 6,776.11 : x
  2. Step 2: Convert to fraction form
    15,090.31/22,643.25 = 6,776.11/x
  3. Step 3: Cross multiply
    15,090.31x = 22,643.25 × 6,776.11
  4. Step 4: Simplify right side
    15,090.31x = 153,433,152.76
  5. Step 5: Solve for x
    x = 153,433,152.76/15,090.31
  6. Step 6: Final answer
    x = 10,167.66

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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.