Home / 18,742.77-25,864.72-10,244.79

Finding the Fourth Proportional to 18,742.77, 25,864.72 and 10,244.79

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Solution

The fourth proportional to 18,742.77, 25,864.72 and 10,244.79 is: 14,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.77 : 25,864.72 = 10,244.79 : x
  2. Step 2: Convert to fraction form
    18,742.77/25,864.72 = 10,244.79/x
  3. Step 3: Cross multiply
    18,742.77x = 25,864.72 × 10,244.79
  4. Step 4: Simplify right side
    18,742.77x = 264,978,624.81
  5. Step 5: Solve for x
    x = 264,978,624.81/18,742.77
  6. Step 6: Final answer
    x = 14,137.64

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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.