Home / 15,004.76-20,701.32-9,031.82

Finding the Fourth Proportional to 15,004.76, 20,701.32 and 9,031.82

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Solution

The fourth proportional to 15,004.76, 20,701.32 and 9,031.82 is: 12,460.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.76 : 20,701.32 = 9,031.82 : x
  2. Step 2: Convert to fraction form
    15,004.76/20,701.32 = 9,031.82/x
  3. Step 3: Cross multiply
    15,004.76x = 20,701.32 × 9,031.82
  4. Step 4: Simplify right side
    15,004.76x = 186,970,596.00
  5. Step 5: Solve for x
    x = 186,970,596.00/15,004.76
  6. Step 6: Final answer
    x = 12,460.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.