Home / 22,106.94-30,511.55-14,148.89

Finding the Fourth Proportional to 22,106.94, 30,511.55 and 14,148.89

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Solution

The fourth proportional to 22,106.94, 30,511.55 and 14,148.89 is: 19,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,106.94 : 30,511.55 = 14,148.89 : x
  2. Step 2: Convert to fraction form
    22,106.94/30,511.55 = 14,148.89/x
  3. Step 3: Cross multiply
    22,106.94x = 30,511.55 × 14,148.89
  4. Step 4: Simplify right side
    22,106.94x = 431,704,570.21
  5. Step 5: Solve for x
    x = 431,704,570.21/22,106.94
  6. Step 6: Final answer
    x = 19,528.01

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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.