Home / 13,376.53-18,459.10-7,326.67

Finding the Fourth Proportional to 13,376.53, 18,459.10 and 7,326.67

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Solution

The fourth proportional to 13,376.53, 18,459.10 and 7,326.67 is: 10,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.53 : 18,459.10 = 7,326.67 : x
  2. Step 2: Convert to fraction form
    13,376.53/18,459.10 = 7,326.67/x
  3. Step 3: Cross multiply
    13,376.53x = 18,459.10 × 7,326.67
  4. Step 4: Simplify right side
    13,376.53x = 135,243,697.56
  5. Step 5: Solve for x
    x = 135,243,697.56/13,376.53
  6. Step 6: Final answer
    x = 10,110.53

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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.