Home / 20,073.24-27,707.28-11,581.08

Finding the Fourth Proportional to 20,073.24, 27,707.28 and 11,581.08

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Solution

The fourth proportional to 20,073.24, 27,707.28 and 11,581.08 is: 15,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.24 : 27,707.28 = 11,581.08 : x
  2. Step 2: Convert to fraction form
    20,073.24/27,707.28 = 11,581.08/x
  3. Step 3: Cross multiply
    20,073.24x = 27,707.28 × 11,581.08
  4. Step 4: Simplify right side
    20,073.24x = 320,880,226.26
  5. Step 5: Solve for x
    x = 320,880,226.26/20,073.24
  6. Step 6: Final answer
    x = 15,985.47

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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.