Home / 25,919.52-35,760-14,586.72

Finding the Fourth Proportional to 25,919.52, 35,760 and 14,586.72

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Solution

The fourth proportional to 25,919.52, 35,760 and 14,586.72 is: 20,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,919.52 : 35,760 = 14,586.72 : x
  2. Step 2: Convert to fraction form
    25,919.52/35,760 = 14,586.72/x
  3. Step 3: Cross multiply
    25,919.52x = 35,760 × 14,586.72
  4. Step 4: Simplify right side
    25,919.52x = 521,621,107.20
  5. Step 5: Solve for x
    x = 521,621,107.20/25,919.52
  6. Step 6: Final answer
    x = 20,124.64

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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.