Home / 14,017.95-21,028.86-5,132.12

Finding the Fourth Proportional to 14,017.95, 21,028.86 and 5,132.12

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Solution

The fourth proportional to 14,017.95, 21,028.86 and 5,132.12 is: 7,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.95 : 21,028.86 = 5,132.12 : x
  2. Step 2: Convert to fraction form
    14,017.95/21,028.86 = 5,132.12/x
  3. Step 3: Cross multiply
    14,017.95x = 21,028.86 × 5,132.12
  4. Step 4: Simplify right side
    14,017.95x = 107,922,527.84
  5. Step 5: Solve for x
    x = 107,922,527.84/14,017.95
  6. Step 6: Final answer
    x = 7,698.88

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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.