Home / 19,066.39-28,599.18-5,215.39

Finding the Fourth Proportional to 19,066.39, 28,599.18 and 5,215.39

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Solution

The fourth proportional to 19,066.39, 28,599.18 and 5,215.39 is: 7,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.39 : 28,599.18 = 5,215.39 : x
  2. Step 2: Convert to fraction form
    19,066.39/28,599.18 = 5,215.39/x
  3. Step 3: Cross multiply
    19,066.39x = 28,599.18 × 5,215.39
  4. Step 4: Simplify right side
    19,066.39x = 149,155,877.38
  5. Step 5: Solve for x
    x = 149,155,877.38/19,066.39
  6. Step 6: Final answer
    x = 7,822.97

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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.