Home / 13,110.48-19,666.20-5,704.80

Finding the Fourth Proportional to 13,110.48, 19,666.20 and 5,704.80

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Solution

The fourth proportional to 13,110.48, 19,666.20 and 5,704.80 is: 8,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.48 : 19,666.20 = 5,704.80 : x
  2. Step 2: Convert to fraction form
    13,110.48/19,666.20 = 5,704.80/x
  3. Step 3: Cross multiply
    13,110.48x = 19,666.20 × 5,704.80
  4. Step 4: Simplify right side
    13,110.48x = 112,191,737.76
  5. Step 5: Solve for x
    x = 112,191,737.76/13,110.48
  6. Step 6: Final answer
    x = 8,557.41

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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.