Home / 16,895.40-25,364.70-9,004.20

Finding the Fourth Proportional to 16,895.40, 25,364.70 and 9,004.20

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Solution

The fourth proportional to 16,895.40, 25,364.70 and 9,004.20 is: 13,517.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.40 : 25,364.70 = 9,004.20 : x
  2. Step 2: Convert to fraction form
    16,895.40/25,364.70 = 9,004.20/x
  3. Step 3: Cross multiply
    16,895.40x = 25,364.70 × 9,004.20
  4. Step 4: Simplify right side
    16,895.40x = 228,388,831.74
  5. Step 5: Solve for x
    x = 228,388,831.74/16,895.40
  6. Step 6: Final answer
    x = 13,517.81

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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.