Home / 17,263.31-23,720.12-13,720.37

Finding the Fourth Proportional to 17,263.31, 23,720.12 and 13,720.37

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Solution

The fourth proportional to 17,263.31, 23,720.12 and 13,720.37 is: 18,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,263.31 : 23,720.12 = 13,720.37 : x
  2. Step 2: Convert to fraction form
    17,263.31/23,720.12 = 13,720.37/x
  3. Step 3: Cross multiply
    17,263.31x = 23,720.12 × 13,720.37
  4. Step 4: Simplify right side
    17,263.31x = 325,448,635.64
  5. Step 5: Solve for x
    x = 325,448,635.64/17,263.31
  6. Step 6: Final answer
    x = 18,852.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.