Home / 14,455.89-19,947.52-8,168.26

Finding the Fourth Proportional to 14,455.89, 19,947.52 and 8,168.26

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Solution

The fourth proportional to 14,455.89, 19,947.52 and 8,168.26 is: 11,271.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.89 : 19,947.52 = 8,168.26 : x
  2. Step 2: Convert to fraction form
    14,455.89/19,947.52 = 8,168.26/x
  3. Step 3: Cross multiply
    14,455.89x = 19,947.52 × 8,168.26
  4. Step 4: Simplify right side
    14,455.89x = 162,936,509.29
  5. Step 5: Solve for x
    x = 162,936,509.29/14,455.89
  6. Step 6: Final answer
    x = 11,271.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.