Home / 17,815.68-24,585.16-9,857.64

Finding the Fourth Proportional to 17,815.68, 24,585.16 and 9,857.64

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Solution

The fourth proportional to 17,815.68, 24,585.16 and 9,857.64 is: 13,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.68 : 24,585.16 = 9,857.64 : x
  2. Step 2: Convert to fraction form
    17,815.68/24,585.16 = 9,857.64/x
  3. Step 3: Cross multiply
    17,815.68x = 24,585.16 × 9,857.64
  4. Step 4: Simplify right side
    17,815.68x = 242,351,656.62
  5. Step 5: Solve for x
    x = 242,351,656.62/17,815.68
  6. Step 6: Final answer
    x = 13,603.28

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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.