Home / 38,226.98-57,343.98-11,931.68

Finding the Fourth Proportional to 38,226.98, 57,343.98 and 11,931.68

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Solution

The fourth proportional to 38,226.98, 57,343.98 and 11,931.68 is: 17,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,226.98 : 57,343.98 = 11,931.68 : x
  2. Step 2: Convert to fraction form
    38,226.98/57,343.98 = 11,931.68/x
  3. Step 3: Cross multiply
    38,226.98x = 57,343.98 × 11,931.68
  4. Step 4: Simplify right side
    38,226.98x = 684,210,019.29
  5. Step 5: Solve for x
    x = 684,210,019.29/38,226.98
  6. Step 6: Final answer
    x = 17,898.62

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1.5x scale

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.