Home / 20,975.65-31,463.43-6,184.72

Finding the Fourth Proportional to 20,975.65, 31,463.43 and 6,184.72

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Solution

The fourth proportional to 20,975.65, 31,463.43 and 6,184.72 is: 9,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,975.65 : 31,463.43 = 6,184.72 : x
  2. Step 2: Convert to fraction form
    20,975.65/31,463.43 = 6,184.72/x
  3. Step 3: Cross multiply
    20,975.65x = 31,463.43 × 6,184.72
  4. Step 4: Simplify right side
    20,975.65x = 194,592,504.79
  5. Step 5: Solve for x
    x = 194,592,504.79/20,975.65
  6. Step 6: Final answer
    x = 9,277.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.