Home / 14,571.09-21,859.07-4,709.21

Finding the Fourth Proportional to 14,571.09, 21,859.07 and 4,709.21

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Solution

The fourth proportional to 14,571.09, 21,859.07 and 4,709.21 is: 7,064.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.09 : 21,859.07 = 4,709.21 : x
  2. Step 2: Convert to fraction form
    14,571.09/21,859.07 = 4,709.21/x
  3. Step 3: Cross multiply
    14,571.09x = 21,859.07 × 4,709.21
  4. Step 4: Simplify right side
    14,571.09x = 102,938,818.19
  5. Step 5: Solve for x
    x = 102,938,818.19/14,571.09
  6. Step 6: Final answer
    x = 7,064.59

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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.