Home / 30,015.86-41,419.16-17,265.65

Finding the Fourth Proportional to 30,015.86, 41,419.16 and 17,265.65

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Solution

The fourth proportional to 30,015.86, 41,419.16 and 17,265.65 is: 23,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.86 : 41,419.16 = 17,265.65 : x
  2. Step 2: Convert to fraction form
    30,015.86/41,419.16 = 17,265.65/x
  3. Step 3: Cross multiply
    30,015.86x = 41,419.16 × 17,265.65
  4. Step 4: Simplify right side
    30,015.86x = 715,128,426.43
  5. Step 5: Solve for x
    x = 715,128,426.43/30,015.86
  6. Step 6: Final answer
    x = 23,825.02

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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.