Home / 15,931.20-23,921.10-9,370.20

Finding the Fourth Proportional to 15,931.20, 23,921.10 and 9,370.20

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Solution

The fourth proportional to 15,931.20, 23,921.10 and 9,370.20 is: 14,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.20 : 23,921.10 = 9,370.20 : x
  2. Step 2: Convert to fraction form
    15,931.20/23,921.10 = 9,370.20/x
  3. Step 3: Cross multiply
    15,931.20x = 23,921.10 × 9,370.20
  4. Step 4: Simplify right side
    15,931.20x = 224,145,491.22
  5. Step 5: Solve for x
    x = 224,145,491.22/15,931.20
  6. Step 6: Final answer
    x = 14,069.59

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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.