Home / 14,532.09-21,790.80-7,125.45

Finding the Fourth Proportional to 14,532.09, 21,790.80 and 7,125.45

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Solution

The fourth proportional to 14,532.09, 21,790.80 and 7,125.45 is: 10,684.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,532.09 : 21,790.80 = 7,125.45 : x
  2. Step 2: Convert to fraction form
    14,532.09/21,790.80 = 7,125.45/x
  3. Step 3: Cross multiply
    14,532.09x = 21,790.80 × 7,125.45
  4. Step 4: Simplify right side
    14,532.09x = 155,269,255.86
  5. Step 5: Solve for x
    x = 155,269,255.86/14,532.09
  6. Step 6: Final answer
    x = 10,684.58

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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.