Home / 14,112.48-21,154.14-6,705.84

Finding the Fourth Proportional to 14,112.48, 21,154.14 and 6,705.84

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Solution

The fourth proportional to 14,112.48, 21,154.14 and 6,705.84 is: 10,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.48 : 21,154.14 = 6,705.84 : x
  2. Step 2: Convert to fraction form
    14,112.48/21,154.14 = 6,705.84/x
  3. Step 3: Cross multiply
    14,112.48x = 21,154.14 × 6,705.84
  4. Step 4: Simplify right side
    14,112.48x = 141,856,278.18
  5. Step 5: Solve for x
    x = 141,856,278.18/14,112.48
  6. Step 6: Final answer
    x = 10,051.83

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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.