Home / 19,817.68-29,729.28-6,673.81

Finding the Fourth Proportional to 19,817.68, 29,729.28 and 6,673.81

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Solution

The fourth proportional to 19,817.68, 29,729.28 and 6,673.81 is: 10,011.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.68 : 29,729.28 = 6,673.81 : x
  2. Step 2: Convert to fraction form
    19,817.68/29,729.28 = 6,673.81/x
  3. Step 3: Cross multiply
    19,817.68x = 29,729.28 × 6,673.81
  4. Step 4: Simplify right side
    19,817.68x = 198,407,566.16
  5. Step 5: Solve for x
    x = 198,407,566.16/19,817.68
  6. Step 6: Final answer
    x = 10,011.64

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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.