Home / 25,809.18-35,622.09-15,202.50

Finding the Fourth Proportional to 25,809.18, 35,622.09 and 15,202.50

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Solution

The fourth proportional to 25,809.18, 35,622.09 and 15,202.50 is: 20,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809.18 : 35,622.09 = 15,202.50 : x
  2. Step 2: Convert to fraction form
    25,809.18/35,622.09 = 15,202.50/x
  3. Step 3: Cross multiply
    25,809.18x = 35,622.09 × 15,202.50
  4. Step 4: Simplify right side
    25,809.18x = 541,544,823.23
  5. Step 5: Solve for x
    x = 541,544,823.23/25,809.18
  6. Step 6: Final answer
    x = 20,982.64

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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.