Home / 19,559.77-29,345.13-6,421.37

Finding the Fourth Proportional to 19,559.77, 29,345.13 and 6,421.37

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Solution

The fourth proportional to 19,559.77, 29,345.13 and 6,421.37 is: 9,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.77 : 29,345.13 = 6,421.37 : x
  2. Step 2: Convert to fraction form
    19,559.77/29,345.13 = 6,421.37/x
  3. Step 3: Cross multiply
    19,559.77x = 29,345.13 × 6,421.37
  4. Step 4: Simplify right side
    19,559.77x = 188,435,937.43
  5. Step 5: Solve for x
    x = 188,435,937.43/19,559.77
  6. Step 6: Final answer
    x = 9,633.85

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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.