Home / 12,346.16-18,521.28-4,023.76

Finding the Fourth Proportional to 12,346.16, 18,521.28 and 4,023.76

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Solution

The fourth proportional to 12,346.16, 18,521.28 and 4,023.76 is: 6,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.16 : 18,521.28 = 4,023.76 : x
  2. Step 2: Convert to fraction form
    12,346.16/18,521.28 = 4,023.76/x
  3. Step 3: Cross multiply
    12,346.16x = 18,521.28 × 4,023.76
  4. Step 4: Simplify right side
    12,346.16x = 74,525,185.61
  5. Step 5: Solve for x
    x = 74,525,185.61/12,346.16
  6. Step 6: Final answer
    x = 6,036.30

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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.