Home / 25,237.58-34,813.41-15,789.74

Finding the Fourth Proportional to 25,237.58, 34,813.41 and 15,789.74

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Solution

The fourth proportional to 25,237.58, 34,813.41 and 15,789.74 is: 21,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,237.58 : 34,813.41 = 15,789.74 : x
  2. Step 2: Convert to fraction form
    25,237.58/34,813.41 = 15,789.74/x
  3. Step 3: Cross multiply
    25,237.58x = 34,813.41 × 15,789.74
  4. Step 4: Simplify right side
    25,237.58x = 549,694,692.41
  5. Step 5: Solve for x
    x = 549,694,692.41/25,237.58
  6. Step 6: Final answer
    x = 21,780.80

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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.