Home / 23,535.11-32,478.33-12,779.89

Finding the Fourth Proportional to 23,535.11, 32,478.33 and 12,779.89

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Solution

The fourth proportional to 23,535.11, 32,478.33 and 12,779.89 is: 17,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,535.11 : 32,478.33 = 12,779.89 : x
  2. Step 2: Convert to fraction form
    23,535.11/32,478.33 = 12,779.89/x
  3. Step 3: Cross multiply
    23,535.11x = 32,478.33 × 12,779.89
  4. Step 4: Simplify right side
    23,535.11x = 415,069,511.92
  5. Step 5: Solve for x
    x = 415,069,511.92/23,535.11
  6. Step 6: Final answer
    x = 17,636.18

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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.