Home / 13,524.30-18,677.79-10,349.10

Finding the Fourth Proportional to 13,524.30, 18,677.79 and 10,349.10

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Solution

The fourth proportional to 13,524.30, 18,677.79 and 10,349.10 is: 14,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.30 : 18,677.79 = 10,349.10 : x
  2. Step 2: Convert to fraction form
    13,524.30/18,677.79 = 10,349.10/x
  3. Step 3: Cross multiply
    13,524.30x = 18,677.79 × 10,349.10
  4. Step 4: Simplify right side
    13,524.30x = 193,298,316.49
  5. Step 5: Solve for x
    x = 193,298,316.49/13,524.30
  6. Step 6: Final answer
    x = 14,292.67

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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.