Home / 22,216.41-33,317.19-7,421.22

Finding the Fourth Proportional to 22,216.41, 33,317.19 and 7,421.22

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Solution

The fourth proportional to 22,216.41, 33,317.19 and 7,421.22 is: 11,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,216.41 : 33,317.19 = 7,421.22 : x
  2. Step 2: Convert to fraction form
    22,216.41/33,317.19 = 7,421.22/x
  3. Step 3: Cross multiply
    22,216.41x = 33,317.19 × 7,421.22
  4. Step 4: Simplify right side
    22,216.41x = 247,254,196.77
  5. Step 5: Solve for x
    x = 247,254,196.77/22,216.41
  6. Step 6: Final answer
    x = 11,129.35

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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.