Home / 25,579.41-38,318.09-20,323.32

Finding the Fourth Proportional to 25,579.41, 38,318.09 and 20,323.32

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Solution

The fourth proportional to 25,579.41, 38,318.09 and 20,323.32 is: 30,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,579.41 : 38,318.09 = 20,323.32 : x
  2. Step 2: Convert to fraction form
    25,579.41/38,318.09 = 20,323.32/x
  3. Step 3: Cross multiply
    25,579.41x = 38,318.09 × 20,323.32
  4. Step 4: Simplify right side
    25,579.41x = 778,750,703.24
  5. Step 5: Solve for x
    x = 778,750,703.24/25,579.41
  6. Step 6: Final answer
    x = 30,444.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.