Home / 18,625.47-25,703.72-10,242.27

Finding the Fourth Proportional to 18,625.47, 25,703.72 and 10,242.27

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Solution

The fourth proportional to 18,625.47, 25,703.72 and 10,242.27 is: 14,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.47 : 25,703.72 = 10,242.27 : x
  2. Step 2: Convert to fraction form
    18,625.47/25,703.72 = 10,242.27/x
  3. Step 3: Cross multiply
    18,625.47x = 25,703.72 × 10,242.27
  4. Step 4: Simplify right side
    18,625.47x = 263,264,389.03
  5. Step 5: Solve for x
    x = 263,264,389.03/18,625.47
  6. Step 6: Final answer
    x = 14,134.64

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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.