Home / 14,890.07-20,548.55-8,175.98

Finding the Fourth Proportional to 14,890.07, 20,548.55 and 8,175.98

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Solution

The fourth proportional to 14,890.07, 20,548.55 and 8,175.98 is: 11,282.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.07 : 20,548.55 = 8,175.98 : x
  2. Step 2: Convert to fraction form
    14,890.07/20,548.55 = 8,175.98/x
  3. Step 3: Cross multiply
    14,890.07x = 20,548.55 × 8,175.98
  4. Step 4: Simplify right side
    14,890.07x = 168,004,533.83
  5. Step 5: Solve for x
    x = 168,004,533.83/14,890.07
  6. Step 6: Final answer
    x = 11,282.99

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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.