Home / 19,267.44-28,890.18-7,574.28

Finding the Fourth Proportional to 19,267.44, 28,890.18 and 7,574.28

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Solution

The fourth proportional to 19,267.44, 28,890.18 and 7,574.28 is: 11,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.44 : 28,890.18 = 7,574.28 : x
  2. Step 2: Convert to fraction form
    19,267.44/28,890.18 = 7,574.28/x
  3. Step 3: Cross multiply
    19,267.44x = 28,890.18 × 7,574.28
  4. Step 4: Simplify right side
    19,267.44x = 218,822,312.57
  5. Step 5: Solve for x
    x = 218,822,312.57/19,267.44
  6. Step 6: Final answer
    x = 11,357.10

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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.