Home / 24,900.12-34,362.12-13,722.12

Finding the Fourth Proportional to 24,900.12, 34,362.12 and 13,722.12

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Solution

The fourth proportional to 24,900.12, 34,362.12 and 13,722.12 is: 18,936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,900.12 : 34,362.12 = 13,722.12 : x
  2. Step 2: Convert to fraction form
    24,900.12/34,362.12 = 13,722.12/x
  3. Step 3: Cross multiply
    24,900.12x = 34,362.12 × 13,722.12
  4. Step 4: Simplify right side
    24,900.12x = 471,521,134.09
  5. Step 5: Solve for x
    x = 471,521,134.09/24,900.12
  6. Step 6: Final answer
    x = 18,936.50

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1.5x scale

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.