Home / 19,408.51-26,783.84-11,342.63

Finding the Fourth Proportional to 19,408.51, 26,783.84 and 11,342.63

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Solution

The fourth proportional to 19,408.51, 26,783.84 and 11,342.63 is: 15,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.51 : 26,783.84 = 11,342.63 : x
  2. Step 2: Convert to fraction form
    19,408.51/26,783.84 = 11,342.63/x
  3. Step 3: Cross multiply
    19,408.51x = 26,783.84 × 11,342.63
  4. Step 4: Simplify right side
    19,408.51x = 303,799,187.10
  5. Step 5: Solve for x
    x = 303,799,187.10/19,408.51
  6. Step 6: Final answer
    x = 15,652.89

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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.