Home / 16,987.10-25,480.65-5,300.33

Finding the Fourth Proportional to 16,987.10, 25,480.65 and 5,300.33

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Solution

The fourth proportional to 16,987.10, 25,480.65 and 5,300.33 is: 7,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.10 : 25,480.65 = 5,300.33 : x
  2. Step 2: Convert to fraction form
    16,987.10/25,480.65 = 5,300.33/x
  3. Step 3: Cross multiply
    16,987.10x = 25,480.65 × 5,300.33
  4. Step 4: Simplify right side
    16,987.10x = 135,055,853.61
  5. Step 5: Solve for x
    x = 135,055,853.61/16,987.10
  6. Step 6: Final answer
    x = 7,950.50

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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.