Home / 14,185.68-19,588.56-8,889.60

Finding the Fourth Proportional to 14,185.68, 19,588.56 and 8,889.60

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Solution

The fourth proportional to 14,185.68, 19,588.56 and 8,889.60 is: 12,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.68 : 19,588.56 = 8,889.60 : x
  2. Step 2: Convert to fraction form
    14,185.68/19,588.56 = 8,889.60/x
  3. Step 3: Cross multiply
    14,185.68x = 19,588.56 × 8,889.60
  4. Step 4: Simplify right side
    14,185.68x = 174,134,462.98
  5. Step 5: Solve for x
    x = 174,134,462.98/14,185.68
  6. Step 6: Final answer
    x = 12,275.37

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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.