Home / 26,123.19-39,190.35-7,408.95

Finding the Fourth Proportional to 26,123.19, 39,190.35 and 7,408.95

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Solution

The fourth proportional to 26,123.19, 39,190.35 and 7,408.95 is: 11,115.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.19 : 39,190.35 = 7,408.95 : x
  2. Step 2: Convert to fraction form
    26,123.19/39,190.35 = 7,408.95/x
  3. Step 3: Cross multiply
    26,123.19x = 39,190.35 × 7,408.95
  4. Step 4: Simplify right side
    26,123.19x = 290,359,343.63
  5. Step 5: Solve for x
    x = 290,359,343.63/26,123.19
  6. Step 6: Final answer
    x = 11,115.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.