Home / 14,429.24-19,912.92-8,460.08

Finding the Fourth Proportional to 14,429.24, 19,912.92 and 8,460.08

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Solution

The fourth proportional to 14,429.24, 19,912.92 and 8,460.08 is: 11,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.24 : 19,912.92 = 8,460.08 : x
  2. Step 2: Convert to fraction form
    14,429.24/19,912.92 = 8,460.08/x
  3. Step 3: Cross multiply
    14,429.24x = 19,912.92 × 8,460.08
  4. Step 4: Simplify right side
    14,429.24x = 168,464,896.23
  5. Step 5: Solve for x
    x = 168,464,896.23/14,429.24
  6. Step 6: Final answer
    x = 11,675.24

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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.