Home / 23,390.03-32,277.23-12,779.70

Finding the Fourth Proportional to 23,390.03, 32,277.23 and 12,779.70

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Solution

The fourth proportional to 23,390.03, 32,277.23 and 12,779.70 is: 17,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,390.03 : 32,277.23 = 12,779.70 : x
  2. Step 2: Convert to fraction form
    23,390.03/32,277.23 = 12,779.70/x
  3. Step 3: Cross multiply
    23,390.03x = 32,277.23 × 12,779.70
  4. Step 4: Simplify right side
    23,390.03x = 412,493,300.26
  5. Step 5: Solve for x
    x = 412,493,300.26/23,390.03
  6. Step 6: Final answer
    x = 17,635.44

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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.