Home / 19,453.08-26,844.54-11,911.98

Finding the Fourth Proportional to 19,453.08, 26,844.54 and 11,911.98

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Solution

The fourth proportional to 19,453.08, 26,844.54 and 11,911.98 is: 16,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.08 : 26,844.54 = 11,911.98 : x
  2. Step 2: Convert to fraction form
    19,453.08/26,844.54 = 11,911.98/x
  3. Step 3: Cross multiply
    19,453.08x = 26,844.54 × 11,911.98
  4. Step 4: Simplify right side
    19,453.08x = 319,771,623.59
  5. Step 5: Solve for x
    x = 319,771,623.59/19,453.08
  6. Step 6: Final answer
    x = 16,438.10

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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.