Home / 12,822.61-19,235.96-4,924.81

Finding the Fourth Proportional to 12,822.61, 19,235.96 and 4,924.81

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Solution

The fourth proportional to 12,822.61, 19,235.96 and 4,924.81 is: 7,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822.61 : 19,235.96 = 4,924.81 : x
  2. Step 2: Convert to fraction form
    12,822.61/19,235.96 = 4,924.81/x
  3. Step 3: Cross multiply
    12,822.61x = 19,235.96 × 4,924.81
  4. Step 4: Simplify right side
    12,822.61x = 94,733,448.17
  5. Step 5: Solve for x
    x = 94,733,448.17/12,822.61
  6. Step 6: Final answer
    x = 7,388.00

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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.