Home / 14,584.47-20,128.08-8,922.99

Finding the Fourth Proportional to 14,584.47, 20,128.08 and 8,922.99

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Solution

The fourth proportional to 14,584.47, 20,128.08 and 8,922.99 is: 12,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,584.47 : 20,128.08 = 8,922.99 : x
  2. Step 2: Convert to fraction form
    14,584.47/20,128.08 = 8,922.99/x
  3. Step 3: Cross multiply
    14,584.47x = 20,128.08 × 8,922.99
  4. Step 4: Simplify right side
    14,584.47x = 179,602,656.56
  5. Step 5: Solve for x
    x = 179,602,656.56/14,584.47
  6. Step 6: Final answer
    x = 12,314.65

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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.