Home / 22,133.35-30,543.99-13,181.23

Finding the Fourth Proportional to 22,133.35, 30,543.99 and 13,181.23

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Solution

The fourth proportional to 22,133.35, 30,543.99 and 13,181.23 is: 18,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.35 : 30,543.99 = 13,181.23 : x
  2. Step 2: Convert to fraction form
    22,133.35/30,543.99 = 13,181.23/x
  3. Step 3: Cross multiply
    22,133.35x = 30,543.99 × 13,181.23
  4. Step 4: Simplify right side
    22,133.35x = 402,607,357.31
  5. Step 5: Solve for x
    x = 402,607,357.31/22,133.35
  6. Step 6: Final answer
    x = 18,190.08

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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.