Home / 14,828.76-20,471.04-10,137.60

Finding the Fourth Proportional to 14,828.76, 20,471.04 and 10,137.60

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Solution

The fourth proportional to 14,828.76, 20,471.04 and 10,137.60 is: 13,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,828.76 : 20,471.04 = 10,137.60 : x
  2. Step 2: Convert to fraction form
    14,828.76/20,471.04 = 10,137.60/x
  3. Step 3: Cross multiply
    14,828.76x = 20,471.04 × 10,137.60
  4. Step 4: Simplify right side
    14,828.76x = 207,527,215.10
  5. Step 5: Solve for x
    x = 207,527,215.10/14,828.76
  6. Step 6: Final answer
    x = 13,994.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.