Home / 31,593.06-43,582.65-18,837.25

Finding the Fourth Proportional to 31,593.06, 43,582.65 and 18,837.25

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Solution

The fourth proportional to 31,593.06, 43,582.65 and 18,837.25 is: 25,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,593.06 : 43,582.65 = 18,837.25 : x
  2. Step 2: Convert to fraction form
    31,593.06/43,582.65 = 18,837.25/x
  3. Step 3: Cross multiply
    31,593.06x = 43,582.65 × 18,837.25
  4. Step 4: Simplify right side
    31,593.06x = 820,977,273.71
  5. Step 5: Solve for x
    x = 820,977,273.71/31,593.06
  6. Step 6: Final answer
    x = 25,986.00

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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.