Home / 15,688.40-23,536.11-5,299.88

Finding the Fourth Proportional to 15,688.40, 23,536.11 and 5,299.88

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Solution

The fourth proportional to 15,688.40, 23,536.11 and 5,299.88 is: 7,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,688.40 : 23,536.11 = 5,299.88 : x
  2. Step 2: Convert to fraction form
    15,688.40/23,536.11 = 5,299.88/x
  3. Step 3: Cross multiply
    15,688.40x = 23,536.11 × 5,299.88
  4. Step 4: Simplify right side
    15,688.40x = 124,738,440.99
  5. Step 5: Solve for x
    x = 124,738,440.99/15,688.40
  6. Step 6: Final answer
    x = 7,951.00

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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.