Home / 19,463.40-26,859.87-11,505.65

Finding the Fourth Proportional to 19,463.40, 26,859.87 and 11,505.65

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Solution

The fourth proportional to 19,463.40, 26,859.87 and 11,505.65 is: 15,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,463.40 : 26,859.87 = 11,505.65 : x
  2. Step 2: Convert to fraction form
    19,463.40/26,859.87 = 11,505.65/x
  3. Step 3: Cross multiply
    19,463.40x = 26,859.87 × 11,505.65
  4. Step 4: Simplify right side
    19,463.40x = 309,040,128.97
  5. Step 5: Solve for x
    x = 309,040,128.97/19,463.40
  6. Step 6: Final answer
    x = 15,878.01

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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.