Home / 17,003.78-23,465.22-9,931.58

Finding the Fourth Proportional to 17,003.78, 23,465.22 and 9,931.58

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Solution

The fourth proportional to 17,003.78, 23,465.22 and 9,931.58 is: 13,705.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,003.78 : 23,465.22 = 9,931.58 : x
  2. Step 2: Convert to fraction form
    17,003.78/23,465.22 = 9,931.58/x
  3. Step 3: Cross multiply
    17,003.78x = 23,465.22 × 9,931.58
  4. Step 4: Simplify right side
    17,003.78x = 233,046,709.65
  5. Step 5: Solve for x
    x = 233,046,709.65/17,003.78
  6. Step 6: Final answer
    x = 13,705.58

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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.