Home / 14,004.70-19,329.78-8,703.52

Finding the Fourth Proportional to 14,004.70, 19,329.78 and 8,703.52

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Solution

The fourth proportional to 14,004.70, 19,329.78 and 8,703.52 is: 12,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.70 : 19,329.78 = 8,703.52 : x
  2. Step 2: Convert to fraction form
    14,004.70/19,329.78 = 8,703.52/x
  3. Step 3: Cross multiply
    14,004.70x = 19,329.78 × 8,703.52
  4. Step 4: Simplify right side
    14,004.70x = 168,237,126.83
  5. Step 5: Solve for x
    x = 168,237,126.83/14,004.70
  6. Step 6: Final answer
    x = 12,012.90

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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.