Home / 18,556.56-25,608.42-10,490.63

Finding the Fourth Proportional to 18,556.56, 25,608.42 and 10,490.63

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Solution

The fourth proportional to 18,556.56, 25,608.42 and 10,490.63 is: 14,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.56 : 25,608.42 = 10,490.63 : x
  2. Step 2: Convert to fraction form
    18,556.56/25,608.42 = 10,490.63/x
  3. Step 3: Cross multiply
    18,556.56x = 25,608.42 × 10,490.63
  4. Step 4: Simplify right side
    18,556.56x = 268,648,459.10
  5. Step 5: Solve for x
    x = 268,648,459.10/18,556.56
  6. Step 6: Final answer
    x = 14,477.28

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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.