Home / 25,768.19-35,559.35-15,015.44

Finding the Fourth Proportional to 25,768.19, 35,559.35 and 15,015.44

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Solution

The fourth proportional to 25,768.19, 35,559.35 and 15,015.44 is: 20,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,768.19 : 35,559.35 = 15,015.44 : x
  2. Step 2: Convert to fraction form
    25,768.19/35,559.35 = 15,015.44/x
  3. Step 3: Cross multiply
    25,768.19x = 35,559.35 × 15,015.44
  4. Step 4: Simplify right side
    25,768.19x = 533,939,146.11
  5. Step 5: Solve for x
    x = 533,939,146.11/25,768.19
  6. Step 6: Final answer
    x = 20,720.87

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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.