Home / 14,703.03-20,288.97-8,736.21

Finding the Fourth Proportional to 14,703.03, 20,288.97 and 8,736.21

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Solution

The fourth proportional to 14,703.03, 20,288.97 and 8,736.21 is: 12,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.03 : 20,288.97 = 8,736.21 : x
  2. Step 2: Convert to fraction form
    14,703.03/20,288.97 = 8,736.21/x
  3. Step 3: Cross multiply
    14,703.03x = 20,288.97 × 8,736.21
  4. Step 4: Simplify right side
    14,703.03x = 177,248,702.60
  5. Step 5: Solve for x
    x = 177,248,702.60/14,703.03
  6. Step 6: Final answer
    x = 12,055.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.