Home / 22,239.53-30,689.40-12,166.01

Finding the Fourth Proportional to 22,239.53, 30,689.40 and 12,166.01

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Solution

The fourth proportional to 22,239.53, 30,689.40 and 12,166.01 is: 16,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.53 : 30,689.40 = 12,166.01 : x
  2. Step 2: Convert to fraction form
    22,239.53/30,689.40 = 12,166.01/x
  3. Step 3: Cross multiply
    22,239.53x = 30,689.40 × 12,166.01
  4. Step 4: Simplify right side
    22,239.53x = 373,367,393.85
  5. Step 5: Solve for x
    x = 373,367,393.85/22,239.53
  6. Step 6: Final answer
    x = 16,788.46

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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.