Home / 22,291.90-30,772.72-14,236.12

Finding the Fourth Proportional to 22,291.90, 30,772.72 and 14,236.12

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Solution

The fourth proportional to 22,291.90, 30,772.72 and 14,236.12 is: 19,652.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291.90 : 30,772.72 = 14,236.12 : x
  2. Step 2: Convert to fraction form
    22,291.90/30,772.72 = 14,236.12/x
  3. Step 3: Cross multiply
    22,291.90x = 30,772.72 × 14,236.12
  4. Step 4: Simplify right side
    22,291.90x = 438,083,980.78
  5. Step 5: Solve for x
    x = 438,083,980.78/22,291.90
  6. Step 6: Final answer
    x = 19,652.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.