Home / 19,346.08-29,019.12-5,493.28

Finding the Fourth Proportional to 19,346.08, 29,019.12 and 5,493.28

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Solution

The fourth proportional to 19,346.08, 29,019.12 and 5,493.28 is: 8,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.08 : 29,019.12 = 5,493.28 : x
  2. Step 2: Convert to fraction form
    19,346.08/29,019.12 = 5,493.28/x
  3. Step 3: Cross multiply
    19,346.08x = 29,019.12 × 5,493.28
  4. Step 4: Simplify right side
    19,346.08x = 159,410,151.51
  5. Step 5: Solve for x
    x = 159,410,151.51/19,346.08
  6. Step 6: Final answer
    x = 8,239.92

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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.