Home / 19,206.08-28,809.36-5,354.24

Finding the Fourth Proportional to 19,206.08, 28,809.36 and 5,354.24

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Solution

The fourth proportional to 19,206.08, 28,809.36 and 5,354.24 is: 8,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206.08 : 28,809.36 = 5,354.24 : x
  2. Step 2: Convert to fraction form
    19,206.08/28,809.36 = 5,354.24/x
  3. Step 3: Cross multiply
    19,206.08x = 28,809.36 × 5,354.24
  4. Step 4: Simplify right side
    19,206.08x = 154,252,227.69
  5. Step 5: Solve for x
    x = 154,252,227.69/19,206.08
  6. Step 6: Final answer
    x = 8,031.43

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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.