Home / 13,763.01-18,992.84-7,475.43

Finding the Fourth Proportional to 13,763.01, 18,992.84 and 7,475.43

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Solution

The fourth proportional to 13,763.01, 18,992.84 and 7,475.43 is: 10,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.01 : 18,992.84 = 7,475.43 : x
  2. Step 2: Convert to fraction form
    13,763.01/18,992.84 = 7,475.43/x
  3. Step 3: Cross multiply
    13,763.01x = 18,992.84 × 7,475.43
  4. Step 4: Simplify right side
    13,763.01x = 141,979,569.65
  5. Step 5: Solve for x
    x = 141,979,569.65/13,763.01
  6. Step 6: Final answer
    x = 10,316.03

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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.