Home / 13,785.24-19,024.66-7,736.20

Finding the Fourth Proportional to 13,785.24, 19,024.66 and 7,736.20

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Solution

The fourth proportional to 13,785.24, 19,024.66 and 7,736.20 is: 10,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785.24 : 19,024.66 = 7,736.20 : x
  2. Step 2: Convert to fraction form
    13,785.24/19,024.66 = 7,736.20/x
  3. Step 3: Cross multiply
    13,785.24x = 19,024.66 × 7,736.20
  4. Step 4: Simplify right side
    13,785.24x = 147,178,574.69
  5. Step 5: Solve for x
    x = 147,178,574.69/13,785.24
  6. Step 6: Final answer
    x = 10,676.53

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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.