Home / 14,578.00-21,753.26-13,007.20

Finding the Fourth Proportional to 14,578.00, 21,753.26 and 13,007.20

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Solution

The fourth proportional to 14,578.00, 21,753.26 and 13,007.20 is: 19,409.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.00 : 21,753.26 = 13,007.20 : x
  2. Step 2: Convert to fraction form
    14,578.00/21,753.26 = 13,007.20/x
  3. Step 3: Cross multiply
    14,578.00x = 21,753.26 × 13,007.20
  4. Step 4: Simplify right side
    14,578.00x = 282,948,884.05
  5. Step 5: Solve for x
    x = 282,948,884.05/14,578.00
  6. Step 6: Final answer
    x = 19,409.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.