Home / 14,943.65-20,622.30-8,975.42

Finding the Fourth Proportional to 14,943.65, 20,622.30 and 8,975.42

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Solution

The fourth proportional to 14,943.65, 20,622.30 and 8,975.42 is: 12,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.65 : 20,622.30 = 8,975.42 : x
  2. Step 2: Convert to fraction form
    14,943.65/20,622.30 = 8,975.42/x
  3. Step 3: Cross multiply
    14,943.65x = 20,622.30 × 8,975.42
  4. Step 4: Simplify right side
    14,943.65x = 185,093,855.42
  5. Step 5: Solve for x
    x = 185,093,855.42/14,943.65
  6. Step 6: Final answer
    x = 12,386.12

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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.