Home / 13,255.10-18,292.08-7,589.94

Finding the Fourth Proportional to 13,255.10, 18,292.08 and 7,589.94

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Solution

The fourth proportional to 13,255.10, 18,292.08 and 7,589.94 is: 10,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.10 : 18,292.08 = 7,589.94 : x
  2. Step 2: Convert to fraction form
    13,255.10/18,292.08 = 7,589.94/x
  3. Step 3: Cross multiply
    13,255.10x = 18,292.08 × 7,589.94
  4. Step 4: Simplify right side
    13,255.10x = 138,835,721.08
  5. Step 5: Solve for x
    x = 138,835,721.08/13,255.10
  6. Step 6: Final answer
    x = 10,474.13

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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.