Home / 17,088.12-23,581.62-9,919.44

Finding the Fourth Proportional to 17,088.12, 23,581.62 and 9,919.44

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Solution

The fourth proportional to 17,088.12, 23,581.62 and 9,919.44 is: 13,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.12 : 23,581.62 = 9,919.44 : x
  2. Step 2: Convert to fraction form
    17,088.12/23,581.62 = 9,919.44/x
  3. Step 3: Cross multiply
    17,088.12x = 23,581.62 × 9,919.44
  4. Step 4: Simplify right side
    17,088.12x = 233,916,464.69
  5. Step 5: Solve for x
    x = 233,916,464.69/17,088.12
  6. Step 6: Final answer
    x = 13,688.84

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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.