Home / 19,169.89-28,758.08-10,866.17

Finding the Fourth Proportional to 19,169.89, 28,758.08 and 10,866.17

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Solution

The fourth proportional to 19,169.89, 28,758.08 and 10,866.17 is: 16,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.89 : 28,758.08 = 10,866.17 : x
  2. Step 2: Convert to fraction form
    19,169.89/28,758.08 = 10,866.17/x
  3. Step 3: Cross multiply
    19,169.89x = 28,758.08 × 10,866.17
  4. Step 4: Simplify right side
    19,169.89x = 312,490,285.21
  5. Step 5: Solve for x
    x = 312,490,285.21/19,169.89
  6. Step 6: Final answer
    x = 16,301.10

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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.