Home / 14,809.88-20,428.24-11,265.32

Finding the Fourth Proportional to 14,809.88, 20,428.24 and 11,265.32

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Solution

The fourth proportional to 14,809.88, 20,428.24 and 11,265.32 is: 15,539.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,809.88 : 20,428.24 = 11,265.32 : x
  2. Step 2: Convert to fraction form
    14,809.88/20,428.24 = 11,265.32/x
  3. Step 3: Cross multiply
    14,809.88x = 20,428.24 × 11,265.32
  4. Step 4: Simplify right side
    14,809.88x = 230,130,660.64
  5. Step 5: Solve for x
    x = 230,130,660.64/14,809.88
  6. Step 6: Final answer
    x = 15,539.00

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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.