Home / 14,119.24-19,488.36-8,810.86

Finding the Fourth Proportional to 14,119.24, 19,488.36 and 8,810.86

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Solution

The fourth proportional to 14,119.24, 19,488.36 and 8,810.86 is: 12,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.24 : 19,488.36 = 8,810.86 : x
  2. Step 2: Convert to fraction form
    14,119.24/19,488.36 = 8,810.86/x
  3. Step 3: Cross multiply
    14,119.24x = 19,488.36 × 8,810.86
  4. Step 4: Simplify right side
    14,119.24x = 171,709,211.59
  5. Step 5: Solve for x
    x = 171,709,211.59/14,119.24
  6. Step 6: Final answer
    x = 12,161.36

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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.