Home / 19,325.18-28,986.86-6,845.01

Finding the Fourth Proportional to 19,325.18, 28,986.86 and 6,845.01

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Solution

The fourth proportional to 19,325.18, 28,986.86 and 6,845.01 is: 10,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.18 : 28,986.86 = 6,845.01 : x
  2. Step 2: Convert to fraction form
    19,325.18/28,986.86 = 6,845.01/x
  3. Step 3: Cross multiply
    19,325.18x = 28,986.86 × 6,845.01
  4. Step 4: Simplify right side
    19,325.18x = 198,415,254.98
  5. Step 5: Solve for x
    x = 198,415,254.98/19,325.18
  6. Step 6: Final answer
    x = 10,267.19

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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.