Home / 23,113.86-31,897.44-13,042.80

Finding the Fourth Proportional to 23,113.86, 31,897.44 and 13,042.80

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Solution

The fourth proportional to 23,113.86, 31,897.44 and 13,042.80 is: 17,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,113.86 : 31,897.44 = 13,042.80 : x
  2. Step 2: Convert to fraction form
    23,113.86/31,897.44 = 13,042.80/x
  3. Step 3: Cross multiply
    23,113.86x = 31,897.44 × 13,042.80
  4. Step 4: Simplify right side
    23,113.86x = 416,031,930.43
  5. Step 5: Solve for x
    x = 416,031,930.43/23,113.86
  6. Step 6: Final answer
    x = 17,999.24

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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.