Home / 14,231.42-21,340.07-4,868.79

Finding the Fourth Proportional to 14,231.42, 21,340.07 and 4,868.79

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Solution

The fourth proportional to 14,231.42, 21,340.07 and 4,868.79 is: 7,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.42 : 21,340.07 = 4,868.79 : x
  2. Step 2: Convert to fraction form
    14,231.42/21,340.07 = 4,868.79/x
  3. Step 3: Cross multiply
    14,231.42x = 21,340.07 × 4,868.79
  4. Step 4: Simplify right side
    14,231.42x = 103,900,319.42
  5. Step 5: Solve for x
    x = 103,900,319.42/14,231.42
  6. Step 6: Final answer
    x = 7,300.77

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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.