Home / 22,359.65-30,869.51-20,090.03

Finding the Fourth Proportional to 22,359.65, 30,869.51 and 20,090.03

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Solution

The fourth proportional to 22,359.65, 30,869.51 and 20,090.03 is: 27,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359.65 : 30,869.51 = 20,090.03 : x
  2. Step 2: Convert to fraction form
    22,359.65/30,869.51 = 20,090.03/x
  3. Step 3: Cross multiply
    22,359.65x = 30,869.51 × 20,090.03
  4. Step 4: Simplify right side
    22,359.65x = 620,169,127.19
  5. Step 5: Solve for x
    x = 620,169,127.19/22,359.65
  6. Step 6: Final answer
    x = 27,736.09

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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.