Home / 23,108.58-31,889.74-13,037.02

Finding the Fourth Proportional to 23,108.58, 31,889.74 and 13,037.02

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Solution

The fourth proportional to 23,108.58, 31,889.74 and 13,037.02 is: 17,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.58 : 31,889.74 = 13,037.02 : x
  2. Step 2: Convert to fraction form
    23,108.58/31,889.74 = 13,037.02/x
  3. Step 3: Cross multiply
    23,108.58x = 31,889.74 × 13,037.02
  4. Step 4: Simplify right side
    23,108.58x = 415,747,150.10
  5. Step 5: Solve for x
    x = 415,747,150.10/23,108.58
  6. Step 6: Final answer
    x = 17,991.03

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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.