Home / 15,649.99-23,335.37-13,911.33

Finding the Fourth Proportional to 15,649.99, 23,335.37 and 13,911.33

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Solution

The fourth proportional to 15,649.99, 23,335.37 and 13,911.33 is: 20,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,649.99 : 23,335.37 = 13,911.33 : x
  2. Step 2: Convert to fraction form
    15,649.99/23,335.37 = 13,911.33/x
  3. Step 3: Cross multiply
    15,649.99x = 23,335.37 × 13,911.33
  4. Step 4: Simplify right side
    15,649.99x = 324,626,032.74
  5. Step 5: Solve for x
    x = 324,626,032.74/15,649.99
  6. Step 6: Final answer
    x = 20,742.89

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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.