Home / 17,623.65-26,432.89-5,140.32

Finding the Fourth Proportional to 17,623.65, 26,432.89 and 5,140.32

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Solution

The fourth proportional to 17,623.65, 26,432.89 and 5,140.32 is: 7,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,623.65 : 26,432.89 = 5,140.32 : x
  2. Step 2: Convert to fraction form
    17,623.65/26,432.89 = 5,140.32/x
  3. Step 3: Cross multiply
    17,623.65x = 26,432.89 × 5,140.32
  4. Step 4: Simplify right side
    17,623.65x = 135,873,513.12
  5. Step 5: Solve for x
    x = 135,873,513.12/17,623.65
  6. Step 6: Final answer
    x = 7,709.73

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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.