Home / 13,168.68-19,754.64-4,847.28

Finding the Fourth Proportional to 13,168.68, 19,754.64 and 4,847.28

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Solution

The fourth proportional to 13,168.68, 19,754.64 and 4,847.28 is: 7,271.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.68 : 19,754.64 = 4,847.28 : x
  2. Step 2: Convert to fraction form
    13,168.68/19,754.64 = 4,847.28/x
  3. Step 3: Cross multiply
    13,168.68x = 19,754.64 × 4,847.28
  4. Step 4: Simplify right side
    13,168.68x = 95,756,271.38
  5. Step 5: Solve for x
    x = 95,756,271.38/13,168.68
  6. Step 6: Final answer
    x = 7,271.52

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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.