Home / 13,549.36-18,704.50-10,193.45

Finding the Fourth Proportional to 13,549.36, 18,704.50 and 10,193.45

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Solution

The fourth proportional to 13,549.36, 18,704.50 and 10,193.45 is: 14,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.36 : 18,704.50 = 10,193.45 : x
  2. Step 2: Convert to fraction form
    13,549.36/18,704.50 = 10,193.45/x
  3. Step 3: Cross multiply
    13,549.36x = 18,704.50 × 10,193.45
  4. Step 4: Simplify right side
    13,549.36x = 190,663,385.53
  5. Step 5: Solve for x
    x = 190,663,385.53/13,549.36
  6. Step 6: Final answer
    x = 14,071.76

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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.