Home / 13,713.02-20,565.27-4,946.80

Finding the Fourth Proportional to 13,713.02, 20,565.27 and 4,946.80

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Solution

The fourth proportional to 13,713.02, 20,565.27 and 4,946.80 is: 7,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.02 : 20,565.27 = 4,946.80 : x
  2. Step 2: Convert to fraction form
    13,713.02/20,565.27 = 4,946.80/x
  3. Step 3: Cross multiply
    13,713.02x = 20,565.27 × 4,946.80
  4. Step 4: Simplify right side
    13,713.02x = 101,732,174.81
  5. Step 5: Solve for x
    x = 101,732,174.81/13,713.02
  6. Step 6: Final answer
    x = 7,418.66

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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.