Home / 19,194.52-28,779.36-9,193.90

Finding the Fourth Proportional to 19,194.52, 28,779.36 and 9,193.90

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Solution

The fourth proportional to 19,194.52, 28,779.36 and 9,193.90 is: 13,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.52 : 28,779.36 = 9,193.90 : x
  2. Step 2: Convert to fraction form
    19,194.52/28,779.36 = 9,193.90/x
  3. Step 3: Cross multiply
    19,194.52x = 28,779.36 × 9,193.90
  4. Step 4: Simplify right side
    19,194.52x = 264,594,557.90
  5. Step 5: Solve for x
    x = 264,594,557.90/19,194.52
  6. Step 6: Final answer
    x = 13,784.90

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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.