Home / 13,524.96-18,664.10-7,556.67

Finding the Fourth Proportional to 13,524.96, 18,664.10 and 7,556.67

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Solution

The fourth proportional to 13,524.96, 18,664.10 and 7,556.67 is: 10,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.96 : 18,664.10 = 7,556.67 : x
  2. Step 2: Convert to fraction form
    13,524.96/18,664.10 = 7,556.67/x
  3. Step 3: Cross multiply
    13,524.96x = 18,664.10 × 7,556.67
  4. Step 4: Simplify right side
    13,524.96x = 141,038,477.61
  5. Step 5: Solve for x
    x = 141,038,477.61/13,524.96
  6. Step 6: Final answer
    x = 10,428.01

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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.