Home / 14,765.70-20,376.69-8,051.46

Finding the Fourth Proportional to 14,765.70, 20,376.69 and 8,051.46

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Solution

The fourth proportional to 14,765.70, 20,376.69 and 8,051.46 is: 11,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.70 : 20,376.69 = 8,051.46 : x
  2. Step 2: Convert to fraction form
    14,765.70/20,376.69 = 8,051.46/x
  3. Step 3: Cross multiply
    14,765.70x = 20,376.69 × 8,051.46
  4. Step 4: Simplify right side
    14,765.70x = 164,062,104.47
  5. Step 5: Solve for x
    x = 164,062,104.47/14,765.70
  6. Step 6: Final answer
    x = 11,111.03

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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.