Home / 22,043.02-30,417.34-12,611.38

Finding the Fourth Proportional to 22,043.02, 30,417.34 and 12,611.38

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Solution

The fourth proportional to 22,043.02, 30,417.34 and 12,611.38 is: 17,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,043.02 : 30,417.34 = 12,611.38 : x
  2. Step 2: Convert to fraction form
    22,043.02/30,417.34 = 12,611.38/x
  3. Step 3: Cross multiply
    22,043.02x = 30,417.34 × 12,611.38
  4. Step 4: Simplify right side
    22,043.02x = 383,604,633.33
  5. Step 5: Solve for x
    x = 383,604,633.33/22,043.02
  6. Step 6: Final answer
    x = 17,402.54

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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.