Home / 25,768.40-35,566.36-15,161.45

Finding the Fourth Proportional to 25,768.40, 35,566.36 and 15,161.45

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Solution

The fourth proportional to 25,768.40, 35,566.36 and 15,161.45 is: 20,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,768.40 : 35,566.36 = 15,161.45 : x
  2. Step 2: Convert to fraction form
    25,768.40/35,566.36 = 15,161.45/x
  3. Step 3: Cross multiply
    25,768.40x = 35,566.36 × 15,161.45
  4. Step 4: Simplify right side
    25,768.40x = 539,237,373.09
  5. Step 5: Solve for x
    x = 539,237,373.09/25,768.40
  6. Step 6: Final answer
    x = 20,926.31

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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.