Home / 19,147.68-28,674.84-13,574.52

Finding the Fourth Proportional to 19,147.68, 28,674.84 and 13,574.52

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Solution

The fourth proportional to 19,147.68, 28,674.84 and 13,574.52 is: 20,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.68 : 28,674.84 = 13,574.52 : x
  2. Step 2: Convert to fraction form
    19,147.68/28,674.84 = 13,574.52/x
  3. Step 3: Cross multiply
    19,147.68x = 28,674.84 × 13,574.52
  4. Step 4: Simplify right side
    19,147.68x = 389,247,189.08
  5. Step 5: Solve for x
    x = 389,247,189.08/19,147.68
  6. Step 6: Final answer
    x = 20,328.69

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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.