Home / 19,049.10-26,287.47-10,665.90

Finding the Fourth Proportional to 19,049.10, 26,287.47 and 10,665.90

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Solution

The fourth proportional to 19,049.10, 26,287.47 and 10,665.90 is: 14,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.10 : 26,287.47 = 10,665.90 : x
  2. Step 2: Convert to fraction form
    19,049.10/26,287.47 = 10,665.90/x
  3. Step 3: Cross multiply
    19,049.10x = 26,287.47 × 10,665.90
  4. Step 4: Simplify right side
    19,049.10x = 280,379,526.27
  5. Step 5: Solve for x
    x = 280,379,526.27/19,049.10
  6. Step 6: Final answer
    x = 14,718.78

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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.