Home / 14,455.11-19,947.31-8,488.24

Finding the Fourth Proportional to 14,455.11, 19,947.31 and 8,488.24

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Solution

The fourth proportional to 14,455.11, 19,947.31 and 8,488.24 is: 11,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.11 : 19,947.31 = 8,488.24 : x
  2. Step 2: Convert to fraction form
    14,455.11/19,947.31 = 8,488.24/x
  3. Step 3: Cross multiply
    14,455.11x = 19,947.31 × 8,488.24
  4. Step 4: Simplify right side
    14,455.11x = 169,317,554.63
  5. Step 5: Solve for x
    x = 169,317,554.63/14,455.11
  6. Step 6: Final answer
    x = 11,713.34

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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.