Home / 14,085.09-19,437.31-8,116.63

Finding the Fourth Proportional to 14,085.09, 19,437.31 and 8,116.63

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Solution

The fourth proportional to 14,085.09, 19,437.31 and 8,116.63 is: 11,200.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.09 : 19,437.31 = 8,116.63 : x
  2. Step 2: Convert to fraction form
    14,085.09/19,437.31 = 8,116.63/x
  3. Step 3: Cross multiply
    14,085.09x = 19,437.31 × 8,116.63
  4. Step 4: Simplify right side
    14,085.09x = 157,765,415.02
  5. Step 5: Solve for x
    x = 157,765,415.02/14,085.09
  6. Step 6: Final answer
    x = 11,200.88

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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.