Home / 14,779.83-20,394.50-8,494.23

Finding the Fourth Proportional to 14,779.83, 20,394.50 and 8,494.23

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Solution

The fourth proportional to 14,779.83, 20,394.50 and 8,494.23 is: 11,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.83 : 20,394.50 = 8,494.23 : x
  2. Step 2: Convert to fraction form
    14,779.83/20,394.50 = 8,494.23/x
  3. Step 3: Cross multiply
    14,779.83x = 20,394.50 × 8,494.23
  4. Step 4: Simplify right side
    14,779.83x = 173,235,531.26
  5. Step 5: Solve for x
    x = 173,235,531.26/14,779.83
  6. Step 6: Final answer
    x = 11,721.08

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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.