Home / 17,987.06-26,968.88-7,454.18

Finding the Fourth Proportional to 17,987.06, 26,968.88 and 7,454.18

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Solution

The fourth proportional to 17,987.06, 26,968.88 and 7,454.18 is: 11,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.06 : 26,968.88 = 7,454.18 : x
  2. Step 2: Convert to fraction form
    17,987.06/26,968.88 = 7,454.18/x
  3. Step 3: Cross multiply
    17,987.06x = 26,968.88 × 7,454.18
  4. Step 4: Simplify right side
    17,987.06x = 201,030,885.92
  5. Step 5: Solve for x
    x = 201,030,885.92/17,987.06
  6. Step 6: Final answer
    x = 11,176.42

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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.