Home / 14,633.36-21,949.80-6,319.20

Finding the Fourth Proportional to 14,633.36, 21,949.80 and 6,319.20

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Solution

The fourth proportional to 14,633.36, 21,949.80 and 6,319.20 is: 9,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,633.36 : 21,949.80 = 6,319.20 : x
  2. Step 2: Convert to fraction form
    14,633.36/21,949.80 = 6,319.20/x
  3. Step 3: Cross multiply
    14,633.36x = 21,949.80 × 6,319.20
  4. Step 4: Simplify right side
    14,633.36x = 138,705,176.16
  5. Step 5: Solve for x
    x = 138,705,176.16/14,633.36
  6. Step 6: Final answer
    x = 9,478.70

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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.