Home / 13,728.19-20,592.07-4,368.07

Finding the Fourth Proportional to 13,728.19, 20,592.07 and 4,368.07

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Solution

The fourth proportional to 13,728.19, 20,592.07 and 4,368.07 is: 6,552.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728.19 : 20,592.07 = 4,368.07 : x
  2. Step 2: Convert to fraction form
    13,728.19/20,592.07 = 4,368.07/x
  3. Step 3: Cross multiply
    13,728.19x = 20,592.07 × 4,368.07
  4. Step 4: Simplify right side
    13,728.19x = 89,947,603.20
  5. Step 5: Solve for x
    x = 89,947,603.20/13,728.19
  6. Step 6: Final answer
    x = 6,552.04

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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.