Home / 17,873.21-24,662.39-9,915.50

Finding the Fourth Proportional to 17,873.21, 24,662.39 and 9,915.50

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Solution

The fourth proportional to 17,873.21, 24,662.39 and 9,915.50 is: 13,681.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.21 : 24,662.39 = 9,915.50 : x
  2. Step 2: Convert to fraction form
    17,873.21/24,662.39 = 9,915.50/x
  3. Step 3: Cross multiply
    17,873.21x = 24,662.39 × 9,915.50
  4. Step 4: Simplify right side
    17,873.21x = 244,539,940.12
  5. Step 5: Solve for x
    x = 244,539,940.12/17,873.21
  6. Step 6: Final answer
    x = 13,681.92

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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.