Home / 19,065.40-28,600.86-5,918.84

Finding the Fourth Proportional to 19,065.40, 28,600.86 and 5,918.84

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Solution

The fourth proportional to 19,065.40, 28,600.86 and 5,918.84 is: 8,879.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.40 : 28,600.86 = 5,918.84 : x
  2. Step 2: Convert to fraction form
    19,065.40/28,600.86 = 5,918.84/x
  3. Step 3: Cross multiply
    19,065.40x = 28,600.86 × 5,918.84
  4. Step 4: Simplify right side
    19,065.40x = 169,283,914.20
  5. Step 5: Solve for x
    x = 169,283,914.20/19,065.40
  6. Step 6: Final answer
    x = 8,879.12

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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.