Home / 14,274.48-21,406.08-5,503.80

Finding the Fourth Proportional to 14,274.48, 21,406.08 and 5,503.80

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Solution

The fourth proportional to 14,274.48, 21,406.08 and 5,503.80 is: 8,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.48 : 21,406.08 = 5,503.80 : x
  2. Step 2: Convert to fraction form
    14,274.48/21,406.08 = 5,503.80/x
  3. Step 3: Cross multiply
    14,274.48x = 21,406.08 × 5,503.80
  4. Step 4: Simplify right side
    14,274.48x = 117,814,783.10
  5. Step 5: Solve for x
    x = 117,814,783.10/14,274.48
  6. Step 6: Final answer
    x = 8,253.53

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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.