Home / 19,311.29-26,652.09-10,816.65

Finding the Fourth Proportional to 19,311.29, 26,652.09 and 10,816.65

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Solution

The fourth proportional to 19,311.29, 26,652.09 and 10,816.65 is: 14,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.29 : 26,652.09 = 10,816.65 : x
  2. Step 2: Convert to fraction form
    19,311.29/26,652.09 = 10,816.65/x
  3. Step 3: Cross multiply
    19,311.29x = 26,652.09 × 10,816.65
  4. Step 4: Simplify right side
    19,311.29x = 288,286,329.30
  5. Step 5: Solve for x
    x = 288,286,329.30/19,311.29
  6. Step 6: Final answer
    x = 14,928.39

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Double scale
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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.