Home / 13,558.06-20,301.72-10,911.11

Finding the Fourth Proportional to 13,558.06, 20,301.72 and 10,911.11

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Solution

The fourth proportional to 13,558.06, 20,301.72 and 10,911.11 is: 16,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.06 : 20,301.72 = 10,911.11 : x
  2. Step 2: Convert to fraction form
    13,558.06/20,301.72 = 10,911.11/x
  3. Step 3: Cross multiply
    13,558.06x = 20,301.72 × 10,911.11
  4. Step 4: Simplify right side
    13,558.06x = 221,514,196.04
  5. Step 5: Solve for x
    x = 221,514,196.04/13,558.06
  6. Step 6: Final answer
    x = 16,338.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.