Home / 14,868.09-20,531.55-9,571.91

Finding the Fourth Proportional to 14,868.09, 20,531.55 and 9,571.91

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Solution

The fourth proportional to 14,868.09, 20,531.55 and 9,571.91 is: 13,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,868.09 : 20,531.55 = 9,571.91 : x
  2. Step 2: Convert to fraction form
    14,868.09/20,531.55 = 9,571.91/x
  3. Step 3: Cross multiply
    14,868.09x = 20,531.55 × 9,571.91
  4. Step 4: Simplify right side
    14,868.09x = 196,526,148.76
  5. Step 5: Solve for x
    x = 196,526,148.76/14,868.09
  6. Step 6: Final answer
    x = 13,217.98

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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.