Home / 22,062.72-30,445.68-11,991.06

Finding the Fourth Proportional to 22,062.72, 30,445.68 and 11,991.06

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Solution

The fourth proportional to 22,062.72, 30,445.68 and 11,991.06 is: 16,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,062.72 : 30,445.68 = 11,991.06 : x
  2. Step 2: Convert to fraction form
    22,062.72/30,445.68 = 11,991.06/x
  3. Step 3: Cross multiply
    22,062.72x = 30,445.68 × 11,991.06
  4. Step 4: Simplify right side
    22,062.72x = 365,075,975.62
  5. Step 5: Solve for x
    x = 365,075,975.62/22,062.72
  6. Step 6: Final answer
    x = 16,547.19

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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.