Home / 25,594.08-35,290.72-20,863.68

Finding the Fourth Proportional to 25,594.08, 35,290.72 and 20,863.68

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Solution

The fourth proportional to 25,594.08, 35,290.72 and 20,863.68 is: 28,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,594.08 : 35,290.72 = 20,863.68 : x
  2. Step 2: Convert to fraction form
    25,594.08/35,290.72 = 20,863.68/x
  3. Step 3: Cross multiply
    25,594.08x = 35,290.72 × 20,863.68
  4. Step 4: Simplify right side
    25,594.08x = 736,294,289.05
  5. Step 5: Solve for x
    x = 736,294,289.05/25,594.08
  6. Step 6: Final answer
    x = 28,768.15

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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.