Home / 23,779.92-32,806.86-15,280.74

Finding the Fourth Proportional to 23,779.92, 32,806.86 and 15,280.74

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Solution

The fourth proportional to 23,779.92, 32,806.86 and 15,280.74 is: 21,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,779.92 : 32,806.86 = 15,280.74 : x
  2. Step 2: Convert to fraction form
    23,779.92/32,806.86 = 15,280.74/x
  3. Step 3: Cross multiply
    23,779.92x = 32,806.86 × 15,280.74
  4. Step 4: Simplify right side
    23,779.92x = 501,313,097.88
  5. Step 5: Solve for x
    x = 501,313,097.88/23,779.92
  6. Step 6: Final answer
    x = 21,081.36

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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.