Home / 14,714.98-20,297.56-12,831.08

Finding the Fourth Proportional to 14,714.98, 20,297.56 and 12,831.08

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Solution

The fourth proportional to 14,714.98, 20,297.56 and 12,831.08 is: 17,698.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,714.98 : 20,297.56 = 12,831.08 : x
  2. Step 2: Convert to fraction form
    14,714.98/20,297.56 = 12,831.08/x
  3. Step 3: Cross multiply
    14,714.98x = 20,297.56 × 12,831.08
  4. Step 4: Simplify right side
    14,714.98x = 260,439,552.01
  5. Step 5: Solve for x
    x = 260,439,552.01/14,714.98
  6. Step 6: Final answer
    x = 17,698.95

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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.