Home / 25,561.60-35,288.85-17,928.31

Finding the Fourth Proportional to 25,561.60, 35,288.85 and 17,928.31

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Solution

The fourth proportional to 25,561.60, 35,288.85 and 17,928.31 is: 24,750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.60 : 35,288.85 = 17,928.31 : x
  2. Step 2: Convert to fraction form
    25,561.60/35,288.85 = 17,928.31/x
  3. Step 3: Cross multiply
    25,561.60x = 35,288.85 × 17,928.31
  4. Step 4: Simplify right side
    25,561.60x = 632,669,352.70
  5. Step 5: Solve for x
    x = 632,669,352.70/25,561.60
  6. Step 6: Final answer
    x = 24,750.77

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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.