Home / 15,386.13-23,079.20-8,816.49

Finding the Fourth Proportional to 15,386.13, 23,079.20 and 8,816.49

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Solution

The fourth proportional to 15,386.13, 23,079.20 and 8,816.49 is: 13,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386.13 : 23,079.20 = 8,816.49 : x
  2. Step 2: Convert to fraction form
    15,386.13/23,079.20 = 8,816.49/x
  3. Step 3: Cross multiply
    15,386.13x = 23,079.20 × 8,816.49
  4. Step 4: Simplify right side
    15,386.13x = 203,477,491.93
  5. Step 5: Solve for x
    x = 203,477,491.93/15,386.13
  6. Step 6: Final answer
    x = 13,224.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.