Home / 23,218.45-32,041.78-13,146.67

Finding the Fourth Proportional to 23,218.45, 32,041.78 and 13,146.67

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Solution

The fourth proportional to 23,218.45, 32,041.78 and 13,146.67 is: 18,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,218.45 : 32,041.78 = 13,146.67 : x
  2. Step 2: Convert to fraction form
    23,218.45/32,041.78 = 13,146.67/x
  3. Step 3: Cross multiply
    23,218.45x = 32,041.78 × 13,146.67
  4. Step 4: Simplify right side
    23,218.45x = 421,242,715.06
  5. Step 5: Solve for x
    x = 421,242,715.06/23,218.45
  6. Step 6: Final answer
    x = 18,142.59

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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.