Home / 14,079.44-21,117.24-3,690.32

Finding the Fourth Proportional to 14,079.44, 21,117.24 and 3,690.32

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Solution

The fourth proportional to 14,079.44, 21,117.24 and 3,690.32 is: 5,534.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.44 : 21,117.24 = 3,690.32 : x
  2. Step 2: Convert to fraction form
    14,079.44/21,117.24 = 3,690.32/x
  3. Step 3: Cross multiply
    14,079.44x = 21,117.24 × 3,690.32
  4. Step 4: Simplify right side
    14,079.44x = 77,929,373.12
  5. Step 5: Solve for x
    x = 77,929,373.12/14,079.44
  6. Step 6: Final answer
    x = 5,534.98

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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.