Home / 14,269.30-19,710.46-10,953.09

Finding the Fourth Proportional to 14,269.30, 19,710.46 and 10,953.09

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Solution

The fourth proportional to 14,269.30, 19,710.46 and 10,953.09 is: 15,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.30 : 19,710.46 = 10,953.09 : x
  2. Step 2: Convert to fraction form
    14,269.30/19,710.46 = 10,953.09/x
  3. Step 3: Cross multiply
    14,269.30x = 19,710.46 × 10,953.09
  4. Step 4: Simplify right side
    14,269.30x = 215,890,394.40
  5. Step 5: Solve for x
    x = 215,890,394.40/14,269.30
  6. Step 6: Final answer
    x = 15,129.71

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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.