Home / 13,588.02-20,358.19-9,672.02

Finding the Fourth Proportional to 13,588.02, 20,358.19 and 9,672.02

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Solution

The fourth proportional to 13,588.02, 20,358.19 and 9,672.02 is: 14,491.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.02 : 20,358.19 = 9,672.02 : x
  2. Step 2: Convert to fraction form
    13,588.02/20,358.19 = 9,672.02/x
  3. Step 3: Cross multiply
    13,588.02x = 20,358.19 × 9,672.02
  4. Step 4: Simplify right side
    13,588.02x = 196,904,820.84
  5. Step 5: Solve for x
    x = 196,904,820.84/13,588.02
  6. Step 6: Final answer
    x = 14,491.06

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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.