Home / 14,148.14-21,218.92-5,267.66

Finding the Fourth Proportional to 14,148.14, 21,218.92 and 5,267.66

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Solution

The fourth proportional to 14,148.14, 21,218.92 and 5,267.66 is: 7,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.14 : 21,218.92 = 5,267.66 : x
  2. Step 2: Convert to fraction form
    14,148.14/21,218.92 = 5,267.66/x
  3. Step 3: Cross multiply
    14,148.14x = 21,218.92 × 5,267.66
  4. Step 4: Simplify right side
    14,148.14x = 111,774,036.19
  5. Step 5: Solve for x
    x = 111,774,036.19/14,148.14
  6. Step 6: Final answer
    x = 7,900.26

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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.