Home / 14,430.54-19,910.76-8,765.13

Finding the Fourth Proportional to 14,430.54, 19,910.76 and 8,765.13

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Solution

The fourth proportional to 14,430.54, 19,910.76 and 8,765.13 is: 12,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.54 : 19,910.76 = 8,765.13 : x
  2. Step 2: Convert to fraction form
    14,430.54/19,910.76 = 8,765.13/x
  3. Step 3: Cross multiply
    14,430.54x = 19,910.76 × 8,765.13
  4. Step 4: Simplify right side
    14,430.54x = 174,520,399.80
  5. Step 5: Solve for x
    x = 174,520,399.80/14,430.54
  6. Step 6: Final answer
    x = 12,093.82

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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.