Home / 13,899.76-20,825.24-11,574.72

Finding the Fourth Proportional to 13,899.76, 20,825.24 and 11,574.72

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Solution

The fourth proportional to 13,899.76, 20,825.24 and 11,574.72 is: 17,341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.76 : 20,825.24 = 11,574.72 : x
  2. Step 2: Convert to fraction form
    13,899.76/20,825.24 = 11,574.72/x
  3. Step 3: Cross multiply
    13,899.76x = 20,825.24 × 11,574.72
  4. Step 4: Simplify right side
    13,899.76x = 241,046,264.06
  5. Step 5: Solve for x
    x = 241,046,264.06/13,899.76
  6. Step 6: Final answer
    x = 17,341.76

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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.