Home / 26,629.05-36,749.28-15,302.21

Finding the Fourth Proportional to 26,629.05, 36,749.28 and 15,302.21

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Solution

The fourth proportional to 26,629.05, 36,749.28 and 15,302.21 is: 21,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,629.05 : 36,749.28 = 15,302.21 : x
  2. Step 2: Convert to fraction form
    26,629.05/36,749.28 = 15,302.21/x
  3. Step 3: Cross multiply
    26,629.05x = 36,749.28 × 15,302.21
  4. Step 4: Simplify right side
    26,629.05x = 562,345,123.40
  5. Step 5: Solve for x
    x = 562,345,123.40/26,629.05
  6. Step 6: Final answer
    x = 21,117.73

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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.