Home / 19,066.20-28,599.30-12,845.40

Finding the Fourth Proportional to 19,066.20, 28,599.30 and 12,845.40

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Solution

The fourth proportional to 19,066.20, 28,599.30 and 12,845.40 is: 19,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.20 : 28,599.30 = 12,845.40 : x
  2. Step 2: Convert to fraction form
    19,066.20/28,599.30 = 12,845.40/x
  3. Step 3: Cross multiply
    19,066.20x = 28,599.30 × 12,845.40
  4. Step 4: Simplify right side
    19,066.20x = 367,369,448.22
  5. Step 5: Solve for x
    x = 367,369,448.22/19,066.20
  6. Step 6: Final answer
    x = 19,268.10

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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.