Home / 16,486.90-22,762.41-10,831.70

Finding the Fourth Proportional to 16,486.90, 22,762.41 and 10,831.70

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Solution

The fourth proportional to 16,486.90, 22,762.41 and 10,831.70 is: 14,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.90 : 22,762.41 = 10,831.70 : x
  2. Step 2: Convert to fraction form
    16,486.90/22,762.41 = 10,831.70/x
  3. Step 3: Cross multiply
    16,486.90x = 22,762.41 × 10,831.70
  4. Step 4: Simplify right side
    16,486.90x = 246,555,596.40
  5. Step 5: Solve for x
    x = 246,555,596.40/16,486.90
  6. Step 6: Final answer
    x = 14,954.64

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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.