Home / 17,931.85-26,869.68-11,344.12

Finding the Fourth Proportional to 17,931.85, 26,869.68 and 11,344.12

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Solution

The fourth proportional to 17,931.85, 26,869.68 and 11,344.12 is: 16,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.85 : 26,869.68 = 11,344.12 : x
  2. Step 2: Convert to fraction form
    17,931.85/26,869.68 = 11,344.12/x
  3. Step 3: Cross multiply
    17,931.85x = 26,869.68 × 11,344.12
  4. Step 4: Simplify right side
    17,931.85x = 304,812,807.11
  5. Step 5: Solve for x
    x = 304,812,807.11/17,931.85
  6. Step 6: Final answer
    x = 16,998.41

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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.