Home / 23,090.86-31,858.14-14,129.02

Finding the Fourth Proportional to 23,090.86, 31,858.14 and 14,129.02

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Solution

The fourth proportional to 23,090.86, 31,858.14 and 14,129.02 is: 19,493.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,090.86 : 31,858.14 = 14,129.02 : x
  2. Step 2: Convert to fraction form
    23,090.86/31,858.14 = 14,129.02/x
  3. Step 3: Cross multiply
    23,090.86x = 31,858.14 × 14,129.02
  4. Step 4: Simplify right side
    23,090.86x = 450,124,297.22
  5. Step 5: Solve for x
    x = 450,124,297.22/23,090.86
  6. Step 6: Final answer
    x = 19,493.61

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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.