Home / 25,771.70-35,564.33-15,162.01

Finding the Fourth Proportional to 25,771.70, 35,564.33 and 15,162.01

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Solution

The fourth proportional to 25,771.70, 35,564.33 and 15,162.01 is: 20,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.70 : 35,564.33 = 15,162.01 : x
  2. Step 2: Convert to fraction form
    25,771.70/35,564.33 = 15,162.01/x
  3. Step 3: Cross multiply
    25,771.70x = 35,564.33 × 15,162.01
  4. Step 4: Simplify right side
    25,771.70x = 539,226,676.10
  5. Step 5: Solve for x
    x = 539,226,676.10/25,771.70
  6. Step 6: Final answer
    x = 20,923.21

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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.