Home / 19,065.64-28,597.58-5,214.60

Finding the Fourth Proportional to 19,065.64, 28,597.58 and 5,214.60

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Solution

The fourth proportional to 19,065.64, 28,597.58 and 5,214.60 is: 7,821.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.64 : 28,597.58 = 5,214.60 : x
  2. Step 2: Convert to fraction form
    19,065.64/28,597.58 = 5,214.60/x
  3. Step 3: Cross multiply
    19,065.64x = 28,597.58 × 5,214.60
  4. Step 4: Simplify right side
    19,065.64x = 149,124,940.67
  5. Step 5: Solve for x
    x = 149,124,940.67/19,065.64
  6. Step 6: Final answer
    x = 7,821.66

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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.