Home / 25,853.81-35,672.72-15,093.80

Finding the Fourth Proportional to 25,853.81, 35,672.72 and 15,093.80

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Solution

The fourth proportional to 25,853.81, 35,672.72 and 15,093.80 is: 20,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,853.81 : 35,672.72 = 15,093.80 : x
  2. Step 2: Convert to fraction form
    25,853.81/35,672.72 = 15,093.80/x
  3. Step 3: Cross multiply
    25,853.81x = 35,672.72 × 15,093.80
  4. Step 4: Simplify right side
    25,853.81x = 538,436,722.77
  5. Step 5: Solve for x
    x = 538,436,722.77/25,853.81
  6. Step 6: Final answer
    x = 20,826.20

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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.