Home / 13,440.24-20,153.45-6,038.35

Finding the Fourth Proportional to 13,440.24, 20,153.45 and 6,038.35

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Solution

The fourth proportional to 13,440.24, 20,153.45 and 6,038.35 is: 9,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.24 : 20,153.45 = 6,038.35 : x
  2. Step 2: Convert to fraction form
    13,440.24/20,153.45 = 6,038.35/x
  3. Step 3: Cross multiply
    13,440.24x = 20,153.45 × 6,038.35
  4. Step 4: Simplify right side
    13,440.24x = 121,693,584.81
  5. Step 5: Solve for x
    x = 121,693,584.81/13,440.24
  6. Step 6: Final answer
    x = 9,054.42

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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.