Home / 19,071.87-28,564.50-16,418.31

Finding the Fourth Proportional to 19,071.87, 28,564.50 and 16,418.31

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Solution

The fourth proportional to 19,071.87, 28,564.50 and 16,418.31 is: 24,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.87 : 28,564.50 = 16,418.31 : x
  2. Step 2: Convert to fraction form
    19,071.87/28,564.50 = 16,418.31/x
  3. Step 3: Cross multiply
    19,071.87x = 28,564.50 × 16,418.31
  4. Step 4: Simplify right side
    19,071.87x = 468,980,816.00
  5. Step 5: Solve for x
    x = 468,980,816.00/19,071.87
  6. Step 6: Final answer
    x = 24,590.19

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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.