Home / 14,876.48-20,529.76-8,504.40

Finding the Fourth Proportional to 14,876.48, 20,529.76 and 8,504.40

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Solution

The fourth proportional to 14,876.48, 20,529.76 and 8,504.40 is: 11,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.48 : 20,529.76 = 8,504.40 : x
  2. Step 2: Convert to fraction form
    14,876.48/20,529.76 = 8,504.40/x
  3. Step 3: Cross multiply
    14,876.48x = 20,529.76 × 8,504.40
  4. Step 4: Simplify right side
    14,876.48x = 174,593,290.94
  5. Step 5: Solve for x
    x = 174,593,290.94/14,876.48
  6. Step 6: Final answer
    x = 11,736.20

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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.