Home / 15,044.48-20,762.56-8,673.12

Finding the Fourth Proportional to 15,044.48, 20,762.56 and 8,673.12

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Solution

The fourth proportional to 15,044.48, 20,762.56 and 8,673.12 is: 11,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.48 : 20,762.56 = 8,673.12 : x
  2. Step 2: Convert to fraction form
    15,044.48/20,762.56 = 8,673.12/x
  3. Step 3: Cross multiply
    15,044.48x = 20,762.56 × 8,673.12
  4. Step 4: Simplify right side
    15,044.48x = 180,076,174.39
  5. Step 5: Solve for x
    x = 180,076,174.39/15,044.48
  6. Step 6: Final answer
    x = 11,969.58

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1.5x scale

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.