Home / 13,135.76-19,703.58-3,275.02

Finding the Fourth Proportional to 13,135.76, 19,703.58 and 3,275.02

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Solution

The fourth proportional to 13,135.76, 19,703.58 and 3,275.02 is: 4,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135.76 : 19,703.58 = 3,275.02 : x
  2. Step 2: Convert to fraction form
    13,135.76/19,703.58 = 3,275.02/x
  3. Step 3: Cross multiply
    13,135.76x = 19,703.58 × 3,275.02
  4. Step 4: Simplify right side
    13,135.76x = 64,529,618.57
  5. Step 5: Solve for x
    x = 64,529,618.57/13,135.76
  6. Step 6: Final answer
    x = 4,912.52

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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.