Home / 16,509.49-22,799.99-15,451.53

Finding the Fourth Proportional to 16,509.49, 22,799.99 and 15,451.53

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Solution

The fourth proportional to 16,509.49, 22,799.99 and 15,451.53 is: 21,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,509.49 : 22,799.99 = 15,451.53 : x
  2. Step 2: Convert to fraction form
    16,509.49/22,799.99 = 15,451.53/x
  3. Step 3: Cross multiply
    16,509.49x = 22,799.99 × 15,451.53
  4. Step 4: Simplify right side
    16,509.49x = 352,294,768.11
  5. Step 5: Solve for x
    x = 352,294,768.11/16,509.49
  6. Step 6: Final answer
    x = 21,338.92

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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.