Home / 14,058.40-19,396.80-8,091.76

Finding the Fourth Proportional to 14,058.40, 19,396.80 and 8,091.76

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Solution

The fourth proportional to 14,058.40, 19,396.80 and 8,091.76 is: 11,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.40 : 19,396.80 = 8,091.76 : x
  2. Step 2: Convert to fraction form
    14,058.40/19,396.80 = 8,091.76/x
  3. Step 3: Cross multiply
    14,058.40x = 19,396.80 × 8,091.76
  4. Step 4: Simplify right side
    14,058.40x = 156,954,250.37
  5. Step 5: Solve for x
    x = 156,954,250.37/14,058.40
  6. Step 6: Final answer
    x = 11,164.45

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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.