Home / 19,690.14-29,563.65-13,046.70

Finding the Fourth Proportional to 19,690.14, 29,563.65 and 13,046.70

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Solution

The fourth proportional to 19,690.14, 29,563.65 and 13,046.70 is: 19,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.14 : 29,563.65 = 13,046.70 : x
  2. Step 2: Convert to fraction form
    19,690.14/29,563.65 = 13,046.70/x
  3. Step 3: Cross multiply
    19,690.14x = 29,563.65 × 13,046.70
  4. Step 4: Simplify right side
    19,690.14x = 385,708,072.46
  5. Step 5: Solve for x
    x = 385,708,072.46/19,690.14
  6. Step 6: Final answer
    x = 19,588.89

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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.