Home / 19,037.14-28,555.71-5,188.18

Finding the Fourth Proportional to 19,037.14, 28,555.71 and 5,188.18

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Solution

The fourth proportional to 19,037.14, 28,555.71 and 5,188.18 is: 7,782.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.14 : 28,555.71 = 5,188.18 : x
  2. Step 2: Convert to fraction form
    19,037.14/28,555.71 = 5,188.18/x
  3. Step 3: Cross multiply
    19,037.14x = 28,555.71 × 5,188.18
  4. Step 4: Simplify right side
    19,037.14x = 148,152,163.51
  5. Step 5: Solve for x
    x = 148,152,163.51/19,037.14
  6. Step 6: Final answer
    x = 7,782.27

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Double scale
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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.