Home / 14,065.72-21,102.44-4,205.32

Finding the Fourth Proportional to 14,065.72, 21,102.44 and 4,205.32

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Solution

The fourth proportional to 14,065.72, 21,102.44 and 4,205.32 is: 6,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.72 : 21,102.44 = 4,205.32 : x
  2. Step 2: Convert to fraction form
    14,065.72/21,102.44 = 4,205.32/x
  3. Step 3: Cross multiply
    14,065.72x = 21,102.44 × 4,205.32
  4. Step 4: Simplify right side
    14,065.72x = 88,742,512.98
  5. Step 5: Solve for x
    x = 88,742,512.98/14,065.72
  6. Step 6: Final answer
    x = 6,309.13

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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.