Home / 14,538.59-21,810.09-6,218.63

Finding the Fourth Proportional to 14,538.59, 21,810.09 and 6,218.63

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Solution

The fourth proportional to 14,538.59, 21,810.09 and 6,218.63 is: 9,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.59 : 21,810.09 = 6,218.63 : x
  2. Step 2: Convert to fraction form
    14,538.59/21,810.09 = 6,218.63/x
  3. Step 3: Cross multiply
    14,538.59x = 21,810.09 × 6,218.63
  4. Step 4: Simplify right side
    14,538.59x = 135,628,770.93
  5. Step 5: Solve for x
    x = 135,628,770.93/14,538.59
  6. Step 6: Final answer
    x = 9,328.88

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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.