Home / 22,028.06-30,412.49-15,141.08

Finding the Fourth Proportional to 22,028.06, 30,412.49 and 15,141.08

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Solution

The fourth proportional to 22,028.06, 30,412.49 and 15,141.08 is: 20,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.06 : 30,412.49 = 15,141.08 : x
  2. Step 2: Convert to fraction form
    22,028.06/30,412.49 = 15,141.08/x
  3. Step 3: Cross multiply
    22,028.06x = 30,412.49 × 15,141.08
  4. Step 4: Simplify right side
    22,028.06x = 460,477,982.27
  5. Step 5: Solve for x
    x = 460,477,982.27/22,028.06
  6. Step 6: Final answer
    x = 20,904.15

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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.