Home / 25,772.82-38,672.19-19,212.18

Finding the Fourth Proportional to 25,772.82, 38,672.19 and 19,212.18

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Solution

The fourth proportional to 25,772.82, 38,672.19 and 19,212.18 is: 28,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,772.82 : 38,672.19 = 19,212.18 : x
  2. Step 2: Convert to fraction form
    25,772.82/38,672.19 = 19,212.18/x
  3. Step 3: Cross multiply
    25,772.82x = 38,672.19 × 19,212.18
  4. Step 4: Simplify right side
    25,772.82x = 742,977,075.27
  5. Step 5: Solve for x
    x = 742,977,075.27/25,772.82
  6. Step 6: Final answer
    x = 28,827.93

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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.