Home / 25,110.84-34,653.62-13,780.84

Finding the Fourth Proportional to 25,110.84, 34,653.62 and 13,780.84

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Solution

The fourth proportional to 25,110.84, 34,653.62 and 13,780.84 is: 19,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.84 : 34,653.62 = 13,780.84 : x
  2. Step 2: Convert to fraction form
    25,110.84/34,653.62 = 13,780.84/x
  3. Step 3: Cross multiply
    25,110.84x = 34,653.62 × 13,780.84
  4. Step 4: Simplify right side
    25,110.84x = 477,555,992.64
  5. Step 5: Solve for x
    x = 477,555,992.64/25,110.84
  6. Step 6: Final answer
    x = 19,017.92

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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.