Home / 25,622.36-38,435.06-7,154.36

Finding the Fourth Proportional to 25,622.36, 38,435.06 and 7,154.36

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Solution

The fourth proportional to 25,622.36, 38,435.06 and 7,154.36 is: 10,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.36 : 38,435.06 = 7,154.36 : x
  2. Step 2: Convert to fraction form
    25,622.36/38,435.06 = 7,154.36/x
  3. Step 3: Cross multiply
    25,622.36x = 38,435.06 × 7,154.36
  4. Step 4: Simplify right side
    25,622.36x = 274,978,255.86
  5. Step 5: Solve for x
    x = 274,978,255.86/25,622.36
  6. Step 6: Final answer
    x = 10,731.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.