Home / 23,179.95-31,950.99-18,136.08

Finding the Fourth Proportional to 23,179.95, 31,950.99 and 18,136.08

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Solution

The fourth proportional to 23,179.95, 31,950.99 and 18,136.08 is: 24,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,179.95 : 31,950.99 = 18,136.08 : x
  2. Step 2: Convert to fraction form
    23,179.95/31,950.99 = 18,136.08/x
  3. Step 3: Cross multiply
    23,179.95x = 31,950.99 × 18,136.08
  4. Step 4: Simplify right side
    23,179.95x = 579,465,710.72
  5. Step 5: Solve for x
    x = 579,465,710.72/23,179.95
  6. Step 6: Final answer
    x = 24,998.57

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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.