Home / 13,801.60-19,046.46-7,514.08

Finding the Fourth Proportional to 13,801.60, 19,046.46 and 7,514.08

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Solution

The fourth proportional to 13,801.60, 19,046.46 and 7,514.08 is: 10,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.60 : 19,046.46 = 7,514.08 : x
  2. Step 2: Convert to fraction form
    13,801.60/19,046.46 = 7,514.08/x
  3. Step 3: Cross multiply
    13,801.60x = 19,046.46 × 7,514.08
  4. Step 4: Simplify right side
    13,801.60x = 143,116,624.16
  5. Step 5: Solve for x
    x = 143,116,624.16/13,801.60
  6. Step 6: Final answer
    x = 10,369.57

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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.