Home / 16,311.93-22,521.30-12,528.33

Finding the Fourth Proportional to 16,311.93, 22,521.30 and 12,528.33

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Solution

The fourth proportional to 16,311.93, 22,521.30 and 12,528.33 is: 17,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,311.93 : 22,521.30 = 12,528.33 : x
  2. Step 2: Convert to fraction form
    16,311.93/22,521.30 = 12,528.33/x
  3. Step 3: Cross multiply
    16,311.93x = 22,521.30 × 12,528.33
  4. Step 4: Simplify right side
    16,311.93x = 282,154,278.43
  5. Step 5: Solve for x
    x = 282,154,278.43/16,311.93
  6. Step 6: Final answer
    x = 17,297.42

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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.