Home / 25,790.60-35,588.36-15,179.60

Finding the Fourth Proportional to 25,790.60, 35,588.36 and 15,179.60

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Solution

The fourth proportional to 25,790.60, 35,588.36 and 15,179.60 is: 20,946.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.60 : 35,588.36 = 15,179.60 : x
  2. Step 2: Convert to fraction form
    25,790.60/35,588.36 = 15,179.60/x
  3. Step 3: Cross multiply
    25,790.60x = 35,588.36 × 15,179.60
  4. Step 4: Simplify right side
    25,790.60x = 540,217,069.46
  5. Step 5: Solve for x
    x = 540,217,069.46/25,790.60
  6. Step 6: Final answer
    x = 20,946.28

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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.