Home / 19,565.22-29,351.48-6,421.35

Finding the Fourth Proportional to 19,565.22, 29,351.48 and 6,421.35

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Solution

The fourth proportional to 19,565.22, 29,351.48 and 6,421.35 is: 9,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.22 : 29,351.48 = 6,421.35 : x
  2. Step 2: Convert to fraction form
    19,565.22/29,351.48 = 6,421.35/x
  3. Step 3: Cross multiply
    19,565.22x = 29,351.48 × 6,421.35
  4. Step 4: Simplify right side
    19,565.22x = 188,476,126.10
  5. Step 5: Solve for x
    x = 188,476,126.10/19,565.22
  6. Step 6: Final answer
    x = 9,633.22

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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.