Home / 19,853.10-29,801.52-15,719.67

Finding the Fourth Proportional to 19,853.10, 29,801.52 and 15,719.67

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Solution

The fourth proportional to 19,853.10, 29,801.52 and 15,719.67 is: 23,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.10 : 29,801.52 = 15,719.67 : x
  2. Step 2: Convert to fraction form
    19,853.10/29,801.52 = 15,719.67/x
  3. Step 3: Cross multiply
    19,853.10x = 29,801.52 × 15,719.67
  4. Step 4: Simplify right side
    19,853.10x = 468,470,059.90
  5. Step 5: Solve for x
    x = 468,470,059.90/19,853.10
  6. Step 6: Final answer
    x = 23,596.82

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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.