Home / 13,350.07-18,403.45-10,508.34

Finding the Fourth Proportional to 13,350.07, 18,403.45 and 10,508.34

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Solution

The fourth proportional to 13,350.07, 18,403.45 and 10,508.34 is: 14,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.07 : 18,403.45 = 10,508.34 : x
  2. Step 2: Convert to fraction form
    13,350.07/18,403.45 = 10,508.34/x
  3. Step 3: Cross multiply
    13,350.07x = 18,403.45 × 10,508.34
  4. Step 4: Simplify right side
    13,350.07x = 193,389,709.77
  5. Step 5: Solve for x
    x = 193,389,709.77/13,350.07
  6. Step 6: Final answer
    x = 14,486.04

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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.