Home / 16,297.85-22,479.41-14,957.78

Finding the Fourth Proportional to 16,297.85, 22,479.41 and 14,957.78

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Solution

The fourth proportional to 16,297.85, 22,479.41 and 14,957.78 is: 20,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,297.85 : 22,479.41 = 14,957.78 : x
  2. Step 2: Convert to fraction form
    16,297.85/22,479.41 = 14,957.78/x
  3. Step 3: Cross multiply
    16,297.85x = 22,479.41 × 14,957.78
  4. Step 4: Simplify right side
    16,297.85x = 336,242,069.31
  5. Step 5: Solve for x
    x = 336,242,069.31/16,297.85
  6. Step 6: Final answer
    x = 20,631.07

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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.