Home / 14,796.48-20,423.52-8,513.28

Finding the Fourth Proportional to 14,796.48, 20,423.52 and 8,513.28

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Solution

The fourth proportional to 14,796.48, 20,423.52 and 8,513.28 is: 11,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,796.48 : 20,423.52 = 8,513.28 : x
  2. Step 2: Convert to fraction form
    14,796.48/20,423.52 = 8,513.28/x
  3. Step 3: Cross multiply
    14,796.48x = 20,423.52 × 8,513.28
  4. Step 4: Simplify right side
    14,796.48x = 173,871,144.35
  5. Step 5: Solve for x
    x = 173,871,144.35/14,796.48
  6. Step 6: Final answer
    x = 11,750.85

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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.