Home / 19,406.31-29,061.67-11,065.74

Finding the Fourth Proportional to 19,406.31, 29,061.67 and 11,065.74

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Solution

The fourth proportional to 19,406.31, 29,061.67 and 11,065.74 is: 16,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406.31 : 29,061.67 = 11,065.74 : x
  2. Step 2: Convert to fraction form
    19,406.31/29,061.67 = 11,065.74/x
  3. Step 3: Cross multiply
    19,406.31x = 29,061.67 × 11,065.74
  4. Step 4: Simplify right side
    19,406.31x = 321,588,884.19
  5. Step 5: Solve for x
    x = 321,588,884.19/19,406.31
  6. Step 6: Final answer
    x = 16,571.36

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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.