Home / 20,716.74-31,074.84-5,925.60

Finding the Fourth Proportional to 20,716.74, 31,074.84 and 5,925.60

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Solution

The fourth proportional to 20,716.74, 31,074.84 and 5,925.60 is: 8,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716.74 : 31,074.84 = 5,925.60 : x
  2. Step 2: Convert to fraction form
    20,716.74/31,074.84 = 5,925.60/x
  3. Step 3: Cross multiply
    20,716.74x = 31,074.84 × 5,925.60
  4. Step 4: Simplify right side
    20,716.74x = 184,137,071.90
  5. Step 5: Solve for x
    x = 184,137,071.90/20,716.74
  6. Step 6: Final answer
    x = 8,888.32

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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.