Home / 19,929.76-29,838.24-10,548.48

Finding the Fourth Proportional to 19,929.76, 29,838.24 and 10,548.48

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Solution

The fourth proportional to 19,929.76, 29,838.24 and 10,548.48 is: 15,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.76 : 29,838.24 = 10,548.48 : x
  2. Step 2: Convert to fraction form
    19,929.76/29,838.24 = 10,548.48/x
  3. Step 3: Cross multiply
    19,929.76x = 29,838.24 × 10,548.48
  4. Step 4: Simplify right side
    19,929.76x = 314,748,077.88
  5. Step 5: Solve for x
    x = 314,748,077.88/19,929.76
  6. Step 6: Final answer
    x = 15,792.87

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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.