Home / 15,857.60-21,848.24-10,470.44

Finding the Fourth Proportional to 15,857.60, 21,848.24 and 10,470.44

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Solution

The fourth proportional to 15,857.60, 21,848.24 and 10,470.44 is: 14,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.60 : 21,848.24 = 10,470.44 : x
  2. Step 2: Convert to fraction form
    15,857.60/21,848.24 = 10,470.44/x
  3. Step 3: Cross multiply
    15,857.60x = 21,848.24 × 10,470.44
  4. Step 4: Simplify right side
    15,857.60x = 228,760,524.43
  5. Step 5: Solve for x
    x = 228,760,524.43/15,857.60
  6. Step 6: Final answer
    x = 14,425.93

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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.