Home / 18,410.16-25,406.74-10,453.13

Finding the Fourth Proportional to 18,410.16, 25,406.74 and 10,453.13

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Solution

The fourth proportional to 18,410.16, 25,406.74 and 10,453.13 is: 14,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.16 : 25,406.74 = 10,453.13 : x
  2. Step 2: Convert to fraction form
    18,410.16/25,406.74 = 10,453.13/x
  3. Step 3: Cross multiply
    18,410.16x = 25,406.74 × 10,453.13
  4. Step 4: Simplify right side
    18,410.16x = 265,579,956.10
  5. Step 5: Solve for x
    x = 265,579,956.10/18,410.16
  6. Step 6: Final answer
    x = 14,425.73

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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.