Home / 17,742.79-24,485.21-9,785.29

Finding the Fourth Proportional to 17,742.79, 24,485.21 and 9,785.29

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Solution

The fourth proportional to 17,742.79, 24,485.21 and 9,785.29 is: 13,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.79 : 24,485.21 = 9,785.29 : x
  2. Step 2: Convert to fraction form
    17,742.79/24,485.21 = 9,785.29/x
  3. Step 3: Cross multiply
    17,742.79x = 24,485.21 × 9,785.29
  4. Step 4: Simplify right side
    17,742.79x = 239,594,880.56
  5. Step 5: Solve for x
    x = 239,594,880.56/17,742.79
  6. Step 6: Final answer
    x = 13,503.79

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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.