Home / 14,118.18-21,178.26-5,798.62

Finding the Fourth Proportional to 14,118.18, 21,178.26 and 5,798.62

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Solution

The fourth proportional to 14,118.18, 21,178.26 and 5,798.62 is: 8,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.18 : 21,178.26 = 5,798.62 : x
  2. Step 2: Convert to fraction form
    14,118.18/21,178.26 = 5,798.62/x
  3. Step 3: Cross multiply
    14,118.18x = 21,178.26 × 5,798.62
  4. Step 4: Simplify right side
    14,118.18x = 122,804,708.47
  5. Step 5: Solve for x
    x = 122,804,708.47/14,118.18
  6. Step 6: Final answer
    x = 8,698.34

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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.