Home / 14,212.50-19,613.26-7,924.74

Finding the Fourth Proportional to 14,212.50, 19,613.26 and 7,924.74

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Solution

The fourth proportional to 14,212.50, 19,613.26 and 7,924.74 is: 10,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.50 : 19,613.26 = 7,924.74 : x
  2. Step 2: Convert to fraction form
    14,212.50/19,613.26 = 7,924.74/x
  3. Step 3: Cross multiply
    14,212.50x = 19,613.26 × 7,924.74
  4. Step 4: Simplify right side
    14,212.50x = 155,429,986.05
  5. Step 5: Solve for x
    x = 155,429,986.05/14,212.50
  6. Step 6: Final answer
    x = 10,936.15

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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.