Home / 16,831.20-25,246.80-11,582.40

Finding the Fourth Proportional to 16,831.20, 25,246.80 and 11,582.40

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Solution

The fourth proportional to 16,831.20, 25,246.80 and 11,582.40 is: 17,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.20 : 25,246.80 = 11,582.40 : x
  2. Step 2: Convert to fraction form
    16,831.20/25,246.80 = 11,582.40/x
  3. Step 3: Cross multiply
    16,831.20x = 25,246.80 × 11,582.40
  4. Step 4: Simplify right side
    16,831.20x = 292,418,536.32
  5. Step 5: Solve for x
    x = 292,418,536.32/16,831.20
  6. Step 6: Final answer
    x = 17,373.60

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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.