Home / 14,045.55-20,977.16-12,726.69

Finding the Fourth Proportional to 14,045.55, 20,977.16 and 12,726.69

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Solution

The fourth proportional to 14,045.55, 20,977.16 and 12,726.69 is: 19,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.55 : 20,977.16 = 12,726.69 : x
  2. Step 2: Convert to fraction form
    14,045.55/20,977.16 = 12,726.69/x
  3. Step 3: Cross multiply
    14,045.55x = 20,977.16 × 12,726.69
  4. Step 4: Simplify right side
    14,045.55x = 266,969,844.22
  5. Step 5: Solve for x
    x = 266,969,844.22/14,045.55
  6. Step 6: Final answer
    x = 19,007.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.