Home / 14,233.67-19,642.35-7,860.66

Finding the Fourth Proportional to 14,233.67, 19,642.35 and 7,860.66

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Solution

The fourth proportional to 14,233.67, 19,642.35 and 7,860.66 is: 10,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.67 : 19,642.35 = 7,860.66 : x
  2. Step 2: Convert to fraction form
    14,233.67/19,642.35 = 7,860.66/x
  3. Step 3: Cross multiply
    14,233.67x = 19,642.35 × 7,860.66
  4. Step 4: Simplify right side
    14,233.67x = 154,401,834.95
  5. Step 5: Solve for x
    x = 154,401,834.95/14,233.67
  6. Step 6: Final answer
    x = 10,847.65

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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.