Home / 14,859.44-20,506.63-8,571.81

Finding the Fourth Proportional to 14,859.44, 20,506.63 and 8,571.81

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Solution

The fourth proportional to 14,859.44, 20,506.63 and 8,571.81 is: 11,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,859.44 : 20,506.63 = 8,571.81 : x
  2. Step 2: Convert to fraction form
    14,859.44/20,506.63 = 8,571.81/x
  3. Step 3: Cross multiply
    14,859.44x = 20,506.63 × 8,571.81
  4. Step 4: Simplify right side
    14,859.44x = 175,778,936.10
  5. Step 5: Solve for x
    x = 175,778,936.10/14,859.44
  6. Step 6: Final answer
    x = 11,829.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.