Home / 25,801.07-35,602.31-15,188.66

Finding the Fourth Proportional to 25,801.07, 35,602.31 and 15,188.66

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Solution

The fourth proportional to 25,801.07, 35,602.31 and 15,188.66 is: 20,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,801.07 : 35,602.31 = 15,188.66 : x
  2. Step 2: Convert to fraction form
    25,801.07/35,602.31 = 15,188.66/x
  3. Step 3: Cross multiply
    25,801.07x = 35,602.31 × 15,188.66
  4. Step 4: Simplify right side
    25,801.07x = 540,751,381.80
  5. Step 5: Solve for x
    x = 540,751,381.80/25,801.07
  6. Step 6: Final answer
    x = 20,958.49

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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.