Home / 14,360.22-19,818.30-7,987.44

Finding the Fourth Proportional to 14,360.22, 19,818.30 and 7,987.44

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Solution

The fourth proportional to 14,360.22, 19,818.30 and 7,987.44 is: 11,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,360.22 : 19,818.30 = 7,987.44 : x
  2. Step 2: Convert to fraction form
    14,360.22/19,818.30 = 7,987.44/x
  3. Step 3: Cross multiply
    14,360.22x = 19,818.30 × 7,987.44
  4. Step 4: Simplify right side
    14,360.22x = 158,297,482.15
  5. Step 5: Solve for x
    x = 158,297,482.15/14,360.22
  6. Step 6: Final answer
    x = 11,023.33

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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.