Home / 13,748.33-20,628.63-7,904.94

Finding the Fourth Proportional to 13,748.33, 20,628.63 and 7,904.94

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Solution

The fourth proportional to 13,748.33, 20,628.63 and 7,904.94 is: 11,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.33 : 20,628.63 = 7,904.94 : x
  2. Step 2: Convert to fraction form
    13,748.33/20,628.63 = 7,904.94/x
  3. Step 3: Cross multiply
    13,748.33x = 20,628.63 × 7,904.94
  4. Step 4: Simplify right side
    13,748.33x = 163,068,082.43
  5. Step 5: Solve for x
    x = 163,068,082.43/13,748.33
  6. Step 6: Final answer
    x = 11,860.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.