Home / 25,973.23-35,851.94-15,221.55

Finding the Fourth Proportional to 25,973.23, 35,851.94 and 15,221.55

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Solution

The fourth proportional to 25,973.23, 35,851.94 and 15,221.55 is: 21,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,973.23 : 35,851.94 = 15,221.55 : x
  2. Step 2: Convert to fraction form
    25,973.23/35,851.94 = 15,221.55/x
  3. Step 3: Cross multiply
    25,973.23x = 35,851.94 × 15,221.55
  4. Step 4: Simplify right side
    25,973.23x = 545,722,097.31
  5. Step 5: Solve for x
    x = 545,722,097.31/25,973.23
  6. Step 6: Final answer
    x = 21,010.94

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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.