Home / 14,048.19-21,054.60-12,289.01

Finding the Fourth Proportional to 14,048.19, 21,054.60 and 12,289.01

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Solution

The fourth proportional to 14,048.19, 21,054.60 and 12,289.01 is: 18,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.19 : 21,054.60 = 12,289.01 : x
  2. Step 2: Convert to fraction form
    14,048.19/21,054.60 = 12,289.01/x
  3. Step 3: Cross multiply
    14,048.19x = 21,054.60 × 12,289.01
  4. Step 4: Simplify right side
    14,048.19x = 258,740,084.67
  5. Step 5: Solve for x
    x = 258,740,084.67/14,048.19
  6. Step 6: Final answer
    x = 18,418.04

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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.