Home / 19,026.56-28,539.95-5,175.56

Finding the Fourth Proportional to 19,026.56, 28,539.95 and 5,175.56

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Solution

The fourth proportional to 19,026.56, 28,539.95 and 5,175.56 is: 7,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.56 : 28,539.95 = 5,175.56 : x
  2. Step 2: Convert to fraction form
    19,026.56/28,539.95 = 5,175.56/x
  3. Step 3: Cross multiply
    19,026.56x = 28,539.95 × 5,175.56
  4. Step 4: Simplify right side
    19,026.56x = 147,710,269.09
  5. Step 5: Solve for x
    x = 147,710,269.09/19,026.56
  6. Step 6: Final answer
    x = 7,763.37

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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.