Home / 14,332.20-21,449.70-12,582.60

Finding the Fourth Proportional to 14,332.20, 21,449.70 and 12,582.60

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Solution

The fourth proportional to 14,332.20, 21,449.70 and 12,582.60 is: 18,831.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.20 : 21,449.70 = 12,582.60 : x
  2. Step 2: Convert to fraction form
    14,332.20/21,449.70 = 12,582.60/x
  3. Step 3: Cross multiply
    14,332.20x = 21,449.70 × 12,582.60
  4. Step 4: Simplify right side
    14,332.20x = 269,892,995.22
  5. Step 5: Solve for x
    x = 269,892,995.22/14,332.20
  6. Step 6: Final answer
    x = 18,831.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.