Home / 17,865.81-24,653.66-9,907.56

Finding the Fourth Proportional to 17,865.81, 24,653.66 and 9,907.56

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Solution

The fourth proportional to 17,865.81, 24,653.66 and 9,907.56 is: 13,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.81 : 24,653.66 = 9,907.56 : x
  2. Step 2: Convert to fraction form
    17,865.81/24,653.66 = 9,907.56/x
  3. Step 3: Cross multiply
    17,865.81x = 24,653.66 × 9,907.56
  4. Step 4: Simplify right side
    17,865.81x = 244,257,566.13
  5. Step 5: Solve for x
    x = 244,257,566.13/17,865.81
  6. Step 6: Final answer
    x = 13,671.79

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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.