Home / 16,720.26-23,053.79-14,447.50

Finding the Fourth Proportional to 16,720.26, 23,053.79 and 14,447.50

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Solution

The fourth proportional to 16,720.26, 23,053.79 and 14,447.50 is: 19,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.26 : 23,053.79 = 14,447.50 : x
  2. Step 2: Convert to fraction form
    16,720.26/23,053.79 = 14,447.50/x
  3. Step 3: Cross multiply
    16,720.26x = 23,053.79 × 14,447.50
  4. Step 4: Simplify right side
    16,720.26x = 333,069,568.88
  5. Step 5: Solve for x
    x = 333,069,568.88/16,720.26
  6. Step 6: Final answer
    x = 19,920.11

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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.