Home / 19,310.69-26,660.79-14,825.51

Finding the Fourth Proportional to 19,310.69, 26,660.79 and 14,825.51

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Solution

The fourth proportional to 19,310.69, 26,660.79 and 14,825.51 is: 20,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.69 : 26,660.79 = 14,825.51 : x
  2. Step 2: Convert to fraction form
    19,310.69/26,660.79 = 14,825.51/x
  3. Step 3: Cross multiply
    19,310.69x = 26,660.79 × 14,825.51
  4. Step 4: Simplify right side
    19,310.69x = 395,259,808.75
  5. Step 5: Solve for x
    x = 395,259,808.75/19,310.69
  6. Step 6: Final answer
    x = 20,468.45

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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.