Home / 15,667.43-23,499.88-7,345.31

Finding the Fourth Proportional to 15,667.43, 23,499.88 and 7,345.31

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Solution

The fourth proportional to 15,667.43, 23,499.88 and 7,345.31 is: 11,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.43 : 23,499.88 = 7,345.31 : x
  2. Step 2: Convert to fraction form
    15,667.43/23,499.88 = 7,345.31/x
  3. Step 3: Cross multiply
    15,667.43x = 23,499.88 × 7,345.31
  4. Step 4: Simplify right side
    15,667.43x = 172,613,767.70
  5. Step 5: Solve for x
    x = 172,613,767.70/15,667.43
  6. Step 6: Final answer
    x = 11,017.37

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1.5x scale

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.