Home / 19,235.76-28,843.60-12,995.52

Finding the Fourth Proportional to 19,235.76, 28,843.60 and 12,995.52

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Solution

The fourth proportional to 19,235.76, 28,843.60 and 12,995.52 is: 19,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.76 : 28,843.60 = 12,995.52 : x
  2. Step 2: Convert to fraction form
    19,235.76/28,843.60 = 12,995.52/x
  3. Step 3: Cross multiply
    19,235.76x = 28,843.60 × 12,995.52
  4. Step 4: Simplify right side
    19,235.76x = 374,837,580.67
  5. Step 5: Solve for x
    x = 374,837,580.67/19,235.76
  6. Step 6: Final answer
    x = 19,486.50

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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.