Home / 17,080.84-25,618-5,390.92

Finding the Fourth Proportional to 17,080.84, 25,618 and 5,390.92

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Solution

The fourth proportional to 17,080.84, 25,618 and 5,390.92 is: 8,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,080.84 : 25,618 = 5,390.92 : x
  2. Step 2: Convert to fraction form
    17,080.84/25,618 = 5,390.92/x
  3. Step 3: Cross multiply
    17,080.84x = 25,618 × 5,390.92
  4. Step 4: Simplify right side
    17,080.84x = 138,104,588.56
  5. Step 5: Solve for x
    x = 138,104,588.56/17,080.84
  6. Step 6: Final answer
    x = 8,085.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.