Home / 14,078.63-21,121.93-7,050.16

Finding the Fourth Proportional to 14,078.63, 21,121.93 and 7,050.16

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Solution

The fourth proportional to 14,078.63, 21,121.93 and 7,050.16 is: 10,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.63 : 21,121.93 = 7,050.16 : x
  2. Step 2: Convert to fraction form
    14,078.63/21,121.93 = 7,050.16/x
  3. Step 3: Cross multiply
    14,078.63x = 21,121.93 × 7,050.16
  4. Step 4: Simplify right side
    14,078.63x = 148,912,986.01
  5. Step 5: Solve for x
    x = 148,912,986.01/14,078.63
  6. Step 6: Final answer
    x = 10,577.24

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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.