Home / 16,906.60-25,364.06-11,918.72

Finding the Fourth Proportional to 16,906.60, 25,364.06 and 11,918.72

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Solution

The fourth proportional to 16,906.60, 25,364.06 and 11,918.72 is: 17,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,906.60 : 25,364.06 = 11,918.72 : x
  2. Step 2: Convert to fraction form
    16,906.60/25,364.06 = 11,918.72/x
  3. Step 3: Cross multiply
    16,906.60x = 25,364.06 × 11,918.72
  4. Step 4: Simplify right side
    16,906.60x = 302,307,177.71
  5. Step 5: Solve for x
    x = 302,307,177.71/16,906.60
  6. Step 6: Final answer
    x = 17,881.01

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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.