Home / 18,218.24-25,140.74-10,260.49

Finding the Fourth Proportional to 18,218.24, 25,140.74 and 10,260.49

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Solution

The fourth proportional to 18,218.24, 25,140.74 and 10,260.49 is: 14,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.24 : 25,140.74 = 10,260.49 : x
  2. Step 2: Convert to fraction form
    18,218.24/25,140.74 = 10,260.49/x
  3. Step 3: Cross multiply
    18,218.24x = 25,140.74 × 10,260.49
  4. Step 4: Simplify right side
    18,218.24x = 257,956,311.36
  5. Step 5: Solve for x
    x = 257,956,311.36/18,218.24
  6. Step 6: Final answer
    x = 14,159.23

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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.