Home / 22,307.51-30,784.16-12,235.47

Finding the Fourth Proportional to 22,307.51, 30,784.16 and 12,235.47

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Solution

The fourth proportional to 22,307.51, 30,784.16 and 12,235.47 is: 16,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,307.51 : 30,784.16 = 12,235.47 : x
  2. Step 2: Convert to fraction form
    22,307.51/30,784.16 = 12,235.47/x
  3. Step 3: Cross multiply
    22,307.51x = 30,784.16 × 12,235.47
  4. Step 4: Simplify right side
    22,307.51x = 376,658,604.98
  5. Step 5: Solve for x
    x = 376,658,604.98/22,307.51
  6. Step 6: Final answer
    x = 16,884.84

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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.