Home / 13,801.60-20,702.40-4,568.32

Finding the Fourth Proportional to 13,801.60, 20,702.40 and 4,568.32

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Solution

The fourth proportional to 13,801.60, 20,702.40 and 4,568.32 is: 6,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.60 : 20,702.40 = 4,568.32 : x
  2. Step 2: Convert to fraction form
    13,801.60/20,702.40 = 4,568.32/x
  3. Step 3: Cross multiply
    13,801.60x = 20,702.40 × 4,568.32
  4. Step 4: Simplify right side
    13,801.60x = 94,575,187.97
  5. Step 5: Solve for x
    x = 94,575,187.97/13,801.60
  6. Step 6: Final answer
    x = 6,852.48

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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.