Home / 13,917.33-20,887.62-13,041.51

Finding the Fourth Proportional to 13,917.33, 20,887.62 and 13,041.51

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Solution

The fourth proportional to 13,917.33, 20,887.62 and 13,041.51 is: 19,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.33 : 20,887.62 = 13,041.51 : x
  2. Step 2: Convert to fraction form
    13,917.33/20,887.62 = 13,041.51/x
  3. Step 3: Cross multiply
    13,917.33x = 20,887.62 × 13,041.51
  4. Step 4: Simplify right side
    13,917.33x = 272,406,105.11
  5. Step 5: Solve for x
    x = 272,406,105.11/13,917.33
  6. Step 6: Final answer
    x = 19,573.16

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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.