Home / 13,299.52-18,343.20-10,166.08

Finding the Fourth Proportional to 13,299.52, 18,343.20 and 10,166.08

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Solution

The fourth proportional to 13,299.52, 18,343.20 and 10,166.08 is: 14,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.52 : 18,343.20 = 10,166.08 : x
  2. Step 2: Convert to fraction form
    13,299.52/18,343.20 = 10,166.08/x
  3. Step 3: Cross multiply
    13,299.52x = 18,343.20 × 10,166.08
  4. Step 4: Simplify right side
    13,299.52x = 186,478,438.66
  5. Step 5: Solve for x
    x = 186,478,438.66/13,299.52
  6. Step 6: Final answer
    x = 14,021.44

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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.