Home / 17,187.12-23,720.04-10,113.39

Finding the Fourth Proportional to 17,187.12, 23,720.04 and 10,113.39

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Solution

The fourth proportional to 17,187.12, 23,720.04 and 10,113.39 is: 13,957.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.12 : 23,720.04 = 10,113.39 : x
  2. Step 2: Convert to fraction form
    17,187.12/23,720.04 = 10,113.39/x
  3. Step 3: Cross multiply
    17,187.12x = 23,720.04 × 10,113.39
  4. Step 4: Simplify right side
    17,187.12x = 239,890,015.34
  5. Step 5: Solve for x
    x = 239,890,015.34/17,187.12
  6. Step 6: Final answer
    x = 13,957.55

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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.