Home / 23,042.06-31,797.68-12,970.47

Finding the Fourth Proportional to 23,042.06, 31,797.68 and 12,970.47

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Solution

The fourth proportional to 23,042.06, 31,797.68 and 12,970.47 is: 17,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,042.06 : 31,797.68 = 12,970.47 : x
  2. Step 2: Convert to fraction form
    23,042.06/31,797.68 = 12,970.47/x
  3. Step 3: Cross multiply
    23,042.06x = 31,797.68 × 12,970.47
  4. Step 4: Simplify right side
    23,042.06x = 412,430,789.66
  5. Step 5: Solve for x
    x = 412,430,789.66/23,042.06
  6. Step 6: Final answer
    x = 17,899.05

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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.