Home / 19,495.58-29,238.20-5,454.74

Finding the Fourth Proportional to 19,495.58, 29,238.20 and 5,454.74

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Solution

The fourth proportional to 19,495.58, 29,238.20 and 5,454.74 is: 8,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.58 : 29,238.20 = 5,454.74 : x
  2. Step 2: Convert to fraction form
    19,495.58/29,238.20 = 5,454.74/x
  3. Step 3: Cross multiply
    19,495.58x = 29,238.20 × 5,454.74
  4. Step 4: Simplify right side
    19,495.58x = 159,486,779.07
  5. Step 5: Solve for x
    x = 159,486,779.07/19,495.58
  6. Step 6: Final answer
    x = 8,180.66

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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.