Home / 13,390.48-20,086.00-4,506.07

Finding the Fourth Proportional to 13,390.48, 20,086.00 and 4,506.07

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Solution

The fourth proportional to 13,390.48, 20,086.00 and 4,506.07 is: 6,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390.48 : 20,086.00 = 4,506.07 : x
  2. Step 2: Convert to fraction form
    13,390.48/20,086.00 = 4,506.07/x
  3. Step 3: Cross multiply
    13,390.48x = 20,086.00 × 4,506.07
  4. Step 4: Simplify right side
    13,390.48x = 90,509,009.74
  5. Step 5: Solve for x
    x = 90,509,009.74/13,390.48
  6. Step 6: Final answer
    x = 6,759.21

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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.