Home / 15,848.64-23,772-4,161.84

Finding the Fourth Proportional to 15,848.64, 23,772 and 4,161.84

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Solution

The fourth proportional to 15,848.64, 23,772 and 4,161.84 is: 6,242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.64 : 23,772 = 4,161.84 : x
  2. Step 2: Convert to fraction form
    15,848.64/23,772 = 4,161.84/x
  3. Step 3: Cross multiply
    15,848.64x = 23,772 × 4,161.84
  4. Step 4: Simplify right side
    15,848.64x = 98,935,260.48
  5. Step 5: Solve for x
    x = 98,935,260.48/15,848.64
  6. Step 6: Final answer
    x = 6,242.51

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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.