Home / 18,224.55-25,141.26-10,666.20

Finding the Fourth Proportional to 18,224.55, 25,141.26 and 10,666.20

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Solution

The fourth proportional to 18,224.55, 25,141.26 and 10,666.20 is: 14,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.55 : 25,141.26 = 10,666.20 : x
  2. Step 2: Convert to fraction form
    18,224.55/25,141.26 = 10,666.20/x
  3. Step 3: Cross multiply
    18,224.55x = 25,141.26 × 10,666.20
  4. Step 4: Simplify right side
    18,224.55x = 268,161,707.41
  5. Step 5: Solve for x
    x = 268,161,707.41/18,224.55
  6. Step 6: Final answer
    x = 14,714.31

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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.