Home / 14,370.41-21,548.41-9,115.98

Finding the Fourth Proportional to 14,370.41, 21,548.41 and 9,115.98

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Solution

The fourth proportional to 14,370.41, 21,548.41 and 9,115.98 is: 13,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.41 : 21,548.41 = 9,115.98 : x
  2. Step 2: Convert to fraction form
    14,370.41/21,548.41 = 9,115.98/x
  3. Step 3: Cross multiply
    14,370.41x = 21,548.41 × 9,115.98
  4. Step 4: Simplify right side
    14,370.41x = 196,434,822.27
  5. Step 5: Solve for x
    x = 196,434,822.27/14,370.41
  6. Step 6: Final answer
    x = 13,669.39

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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.