Home / 15,401.77-22,991.23-13,533.42

Finding the Fourth Proportional to 15,401.77, 22,991.23 and 13,533.42

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Solution

The fourth proportional to 15,401.77, 22,991.23 and 13,533.42 is: 20,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401.77 : 22,991.23 = 13,533.42 : x
  2. Step 2: Convert to fraction form
    15,401.77/22,991.23 = 13,533.42/x
  3. Step 3: Cross multiply
    15,401.77x = 22,991.23 × 13,533.42
  4. Step 4: Simplify right side
    15,401.77x = 311,149,971.91
  5. Step 5: Solve for x
    x = 311,149,971.91/15,401.77
  6. Step 6: Final answer
    x = 20,202.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.