Home / 23,161.63-31,960.49-13,090.06

Finding the Fourth Proportional to 23,161.63, 31,960.49 and 13,090.06

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Solution

The fourth proportional to 23,161.63, 31,960.49 and 13,090.06 is: 18,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.63 : 31,960.49 = 13,090.06 : x
  2. Step 2: Convert to fraction form
    23,161.63/31,960.49 = 13,090.06/x
  3. Step 3: Cross multiply
    23,161.63x = 31,960.49 × 13,090.06
  4. Step 4: Simplify right side
    23,161.63x = 418,364,731.73
  5. Step 5: Solve for x
    x = 418,364,731.73/23,161.63
  6. Step 6: Final answer
    x = 18,062.84

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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.