Home / 19,347.50-26,699.56-11,394.66

Finding the Fourth Proportional to 19,347.50, 26,699.56 and 11,394.66

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Solution

The fourth proportional to 19,347.50, 26,699.56 and 11,394.66 is: 15,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.50 : 26,699.56 = 11,394.66 : x
  2. Step 2: Convert to fraction form
    19,347.50/26,699.56 = 11,394.66/x
  3. Step 3: Cross multiply
    19,347.50x = 26,699.56 × 11,394.66
  4. Step 4: Simplify right side
    19,347.50x = 304,232,408.35
  5. Step 5: Solve for x
    x = 304,232,408.35/19,347.50
  6. Step 6: Final answer
    x = 15,724.64

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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.