Home / 19,082.72-28,628.96-5,935.20

Finding the Fourth Proportional to 19,082.72, 28,628.96 and 5,935.20

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Solution

The fourth proportional to 19,082.72, 28,628.96 and 5,935.20 is: 8,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.72 : 28,628.96 = 5,935.20 : x
  2. Step 2: Convert to fraction form
    19,082.72/28,628.96 = 5,935.20/x
  3. Step 3: Cross multiply
    19,082.72x = 28,628.96 × 5,935.20
  4. Step 4: Simplify right side
    19,082.72x = 169,918,573.72
  5. Step 5: Solve for x
    x = 169,918,573.72/19,082.72
  6. Step 6: Final answer
    x = 8,904.32

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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.