Home / 19,135.95-28,674.77-9,775.59

Finding the Fourth Proportional to 19,135.95, 28,674.77 and 9,775.59

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Solution

The fourth proportional to 19,135.95, 28,674.77 and 9,775.59 is: 14,648.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.95 : 28,674.77 = 9,775.59 : x
  2. Step 2: Convert to fraction form
    19,135.95/28,674.77 = 9,775.59/x
  3. Step 3: Cross multiply
    19,135.95x = 28,674.77 × 9,775.59
  4. Step 4: Simplify right side
    19,135.95x = 280,312,745.99
  5. Step 5: Solve for x
    x = 280,312,745.99/19,135.95
  6. Step 6: Final answer
    x = 14,648.49

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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.