Home / 19,701.03-29,482.20-12,308.97

Finding the Fourth Proportional to 19,701.03, 29,482.20 and 12,308.97

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Solution

The fourth proportional to 19,701.03, 29,482.20 and 12,308.97 is: 18,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.03 : 29,482.20 = 12,308.97 : x
  2. Step 2: Convert to fraction form
    19,701.03/29,482.20 = 12,308.97/x
  3. Step 3: Cross multiply
    19,701.03x = 29,482.20 × 12,308.97
  4. Step 4: Simplify right side
    19,701.03x = 362,895,515.33
  5. Step 5: Solve for x
    x = 362,895,515.33/19,701.03
  6. Step 6: Final answer
    x = 18,420.13

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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.