Home / 19,298.28-28,950.60-6,647.52

Finding the Fourth Proportional to 19,298.28, 28,950.60 and 6,647.52

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Solution

The fourth proportional to 19,298.28, 28,950.60 and 6,647.52 is: 9,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.28 : 28,950.60 = 6,647.52 : x
  2. Step 2: Convert to fraction form
    19,298.28/28,950.60 = 6,647.52/x
  3. Step 3: Cross multiply
    19,298.28x = 28,950.60 × 6,647.52
  4. Step 4: Simplify right side
    19,298.28x = 192,449,692.51
  5. Step 5: Solve for x
    x = 192,449,692.51/19,298.28
  6. Step 6: Final answer
    x = 9,972.38

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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.