Home / 14,357.12-21,538.26-5,918.93

Finding the Fourth Proportional to 14,357.12, 21,538.26 and 5,918.93

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Solution

The fourth proportional to 14,357.12, 21,538.26 and 5,918.93 is: 8,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.12 : 21,538.26 = 5,918.93 : x
  2. Step 2: Convert to fraction form
    14,357.12/21,538.26 = 5,918.93/x
  3. Step 3: Cross multiply
    14,357.12x = 21,538.26 × 5,918.93
  4. Step 4: Simplify right side
    14,357.12x = 127,483,453.26
  5. Step 5: Solve for x
    x = 127,483,453.26/14,357.12
  6. Step 6: Final answer
    x = 8,879.46

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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.