Home / 17,380.75-23,987.77-10,665.14

Finding the Fourth Proportional to 17,380.75, 23,987.77 and 10,665.14

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Solution

The fourth proportional to 17,380.75, 23,987.77 and 10,665.14 is: 14,719.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.75 : 23,987.77 = 10,665.14 : x
  2. Step 2: Convert to fraction form
    17,380.75/23,987.77 = 10,665.14/x
  3. Step 3: Cross multiply
    17,380.75x = 23,987.77 × 10,665.14
  4. Step 4: Simplify right side
    17,380.75x = 255,832,925.34
  5. Step 5: Solve for x
    x = 255,832,925.34/17,380.75
  6. Step 6: Final answer
    x = 14,719.33

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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.