Home / 16,578.70-22,890.81-11,271.58

Finding the Fourth Proportional to 16,578.70, 22,890.81 and 11,271.58

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Solution

The fourth proportional to 16,578.70, 22,890.81 and 11,271.58 is: 15,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,578.70 : 22,890.81 = 11,271.58 : x
  2. Step 2: Convert to fraction form
    16,578.70/22,890.81 = 11,271.58/x
  3. Step 3: Cross multiply
    16,578.70x = 22,890.81 × 11,271.58
  4. Step 4: Simplify right side
    16,578.70x = 258,015,596.18
  5. Step 5: Solve for x
    x = 258,015,596.18/16,578.70
  6. Step 6: Final answer
    x = 15,563.08

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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.