Home / 16,281.81-24,423.93-7,968.78

Finding the Fourth Proportional to 16,281.81, 24,423.93 and 7,968.78

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Solution

The fourth proportional to 16,281.81, 24,423.93 and 7,968.78 is: 11,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,281.81 : 24,423.93 = 7,968.78 : x
  2. Step 2: Convert to fraction form
    16,281.81/24,423.93 = 7,968.78/x
  3. Step 3: Cross multiply
    16,281.81x = 24,423.93 × 7,968.78
  4. Step 4: Simplify right side
    16,281.81x = 194,628,924.91
  5. Step 5: Solve for x
    x = 194,628,924.91/16,281.81
  6. Step 6: Final answer
    x = 11,953.76

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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.