Home / 19,017.98-28,516.68-13,482.16

Finding the Fourth Proportional to 19,017.98, 28,516.68 and 13,482.16

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Solution

The fourth proportional to 19,017.98, 28,516.68 and 13,482.16 is: 20,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.98 : 28,516.68 = 13,482.16 : x
  2. Step 2: Convert to fraction form
    19,017.98/28,516.68 = 13,482.16/x
  3. Step 3: Cross multiply
    19,017.98x = 28,516.68 × 13,482.16
  4. Step 4: Simplify right side
    19,017.98x = 384,466,442.43
  5. Step 5: Solve for x
    x = 384,466,442.43/19,017.98
  6. Step 6: Final answer
    x = 20,215.95

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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.