Home / 23,390.27-32,278.19-12,779.67

Finding the Fourth Proportional to 23,390.27, 32,278.19 and 12,779.67

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Solution

The fourth proportional to 23,390.27, 32,278.19 and 12,779.67 is: 17,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,390.27 : 32,278.19 = 12,779.67 : x
  2. Step 2: Convert to fraction form
    23,390.27/32,278.19 = 12,779.67/x
  3. Step 3: Cross multiply
    23,390.27x = 32,278.19 × 12,779.67
  4. Step 4: Simplify right side
    23,390.27x = 412,504,616.40
  5. Step 5: Solve for x
    x = 412,504,616.40/23,390.27
  6. Step 6: Final answer
    x = 17,635.74

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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.