Home / 19,437.89-29,161.08-6,291.59

Finding the Fourth Proportional to 19,437.89, 29,161.08 and 6,291.59

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Solution

The fourth proportional to 19,437.89, 29,161.08 and 6,291.59 is: 9,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,437.89 : 29,161.08 = 6,291.59 : x
  2. Step 2: Convert to fraction form
    19,437.89/29,161.08 = 6,291.59/x
  3. Step 3: Cross multiply
    19,437.89x = 29,161.08 × 6,291.59
  4. Step 4: Simplify right side
    19,437.89x = 183,469,559.32
  5. Step 5: Solve for x
    x = 183,469,559.32/19,437.89
  6. Step 6: Final answer
    x = 9,438.76

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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.