Home / 19,079.51-28,619.57-6,599.86

Finding the Fourth Proportional to 19,079.51, 28,619.57 and 6,599.86

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Solution

The fourth proportional to 19,079.51, 28,619.57 and 6,599.86 is: 9,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.51 : 28,619.57 = 6,599.86 : x
  2. Step 2: Convert to fraction form
    19,079.51/28,619.57 = 6,599.86/x
  3. Step 3: Cross multiply
    19,079.51x = 28,619.57 × 6,599.86
  4. Step 4: Simplify right side
    19,079.51x = 188,885,100.21
  5. Step 5: Solve for x
    x = 188,885,100.21/19,079.51
  6. Step 6: Final answer
    x = 9,899.90

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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.