Home / 19,541.54-29,313.68-7,854.75

Finding the Fourth Proportional to 19,541.54, 29,313.68 and 7,854.75

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Solution

The fourth proportional to 19,541.54, 29,313.68 and 7,854.75 is: 11,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541.54 : 29,313.68 = 7,854.75 : x
  2. Step 2: Convert to fraction form
    19,541.54/29,313.68 = 7,854.75/x
  3. Step 3: Cross multiply
    19,541.54x = 29,313.68 × 7,854.75
  4. Step 4: Simplify right side
    19,541.54x = 230,251,588.71
  5. Step 5: Solve for x
    x = 230,251,588.71/19,541.54
  6. Step 6: Final answer
    x = 11,782.67

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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.