Home / 25,814.45-35,619.72-15,202.64

Finding the Fourth Proportional to 25,814.45, 35,619.72 and 15,202.64

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Solution

The fourth proportional to 25,814.45, 35,619.72 and 15,202.64 is: 20,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,814.45 : 35,619.72 = 15,202.64 : x
  2. Step 2: Convert to fraction form
    25,814.45/35,619.72 = 15,202.64/x
  3. Step 3: Cross multiply
    25,814.45x = 35,619.72 × 15,202.64
  4. Step 4: Simplify right side
    25,814.45x = 541,513,812.10
  5. Step 5: Solve for x
    x = 541,513,812.10/25,814.45
  6. Step 6: Final answer
    x = 20,977.16

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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.