Home / 19,453.16-26,845.89-11,899.35

Finding the Fourth Proportional to 19,453.16, 26,845.89 and 11,899.35

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Solution

The fourth proportional to 19,453.16, 26,845.89 and 11,899.35 is: 16,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.16 : 26,845.89 = 11,899.35 : x
  2. Step 2: Convert to fraction form
    19,453.16/26,845.89 = 11,899.35/x
  3. Step 3: Cross multiply
    19,453.16x = 26,845.89 × 11,899.35
  4. Step 4: Simplify right side
    19,453.16x = 319,448,641.17
  5. Step 5: Solve for x
    x = 319,448,641.17/19,453.16
  6. Step 6: Final answer
    x = 16,421.43

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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.