Home / 25,692.77-38,515.81-9,887.72

Finding the Fourth Proportional to 25,692.77, 38,515.81 and 9,887.72

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Solution

The fourth proportional to 25,692.77, 38,515.81 and 9,887.72 is: 14,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.77 : 38,515.81 = 9,887.72 : x
  2. Step 2: Convert to fraction form
    25,692.77/38,515.81 = 9,887.72/x
  3. Step 3: Cross multiply
    25,692.77x = 38,515.81 × 9,887.72
  4. Step 4: Simplify right side
    25,692.77x = 380,833,544.85
  5. Step 5: Solve for x
    x = 380,833,544.85/25,692.77
  6. Step 6: Final answer
    x = 14,822.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.