Home / 16,864.81-25,292.88-5,015.51

Finding the Fourth Proportional to 16,864.81, 25,292.88 and 5,015.51

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Solution

The fourth proportional to 16,864.81, 25,292.88 and 5,015.51 is: 7,521.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.81 : 25,292.88 = 5,015.51 : x
  2. Step 2: Convert to fraction form
    16,864.81/25,292.88 = 5,015.51/x
  3. Step 3: Cross multiply
    16,864.81x = 25,292.88 × 5,015.51
  4. Step 4: Simplify right side
    16,864.81x = 126,856,692.57
  5. Step 5: Solve for x
    x = 126,856,692.57/16,864.81
  6. Step 6: Final answer
    x = 7,521.98

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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.