Home / 19,014.82-28,521.43-4,974.63

Finding the Fourth Proportional to 19,014.82, 28,521.43 and 4,974.63

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Solution

The fourth proportional to 19,014.82, 28,521.43 and 4,974.63 is: 7,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.82 : 28,521.43 = 4,974.63 : x
  2. Step 2: Convert to fraction form
    19,014.82/28,521.43 = 4,974.63/x
  3. Step 3: Cross multiply
    19,014.82x = 28,521.43 × 4,974.63
  4. Step 4: Simplify right side
    19,014.82x = 141,883,561.32
  5. Step 5: Solve for x
    x = 141,883,561.32/19,014.82
  6. Step 6: Final answer
    x = 7,461.74

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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.