Home / 19,655.12-29,480.63-5,614.23

Finding the Fourth Proportional to 19,655.12, 29,480.63 and 5,614.23

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Solution

The fourth proportional to 19,655.12, 29,480.63 and 5,614.23 is: 8,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.12 : 29,480.63 = 5,614.23 : x
  2. Step 2: Convert to fraction form
    19,655.12/29,480.63 = 5,614.23/x
  3. Step 3: Cross multiply
    19,655.12x = 29,480.63 × 5,614.23
  4. Step 4: Simplify right side
    19,655.12x = 165,511,009.29
  5. Step 5: Solve for x
    x = 165,511,009.29/19,655.12
  6. Step 6: Final answer
    x = 8,420.76

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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.