Home / 19,156.88-28,716.85-9,801.30

Finding the Fourth Proportional to 19,156.88, 28,716.85 and 9,801.30

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Solution

The fourth proportional to 19,156.88, 28,716.85 and 9,801.30 is: 14,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.88 : 28,716.85 = 9,801.30 : x
  2. Step 2: Convert to fraction form
    19,156.88/28,716.85 = 9,801.30/x
  3. Step 3: Cross multiply
    19,156.88x = 28,716.85 × 9,801.30
  4. Step 4: Simplify right side
    19,156.88x = 281,462,437.40
  5. Step 5: Solve for x
    x = 281,462,437.40/19,156.88
  6. Step 6: Final answer
    x = 14,692.50

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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.