Home / 13,207.04-19,694.16-13,088.60

Finding the Fourth Proportional to 13,207.04, 19,694.16 and 13,088.60

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Solution

The fourth proportional to 13,207.04, 19,694.16 and 13,088.60 is: 19,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.04 : 19,694.16 = 13,088.60 : x
  2. Step 2: Convert to fraction form
    13,207.04/19,694.16 = 13,088.60/x
  3. Step 3: Cross multiply
    13,207.04x = 19,694.16 × 13,088.60
  4. Step 4: Simplify right side
    13,207.04x = 257,768,982.58
  5. Step 5: Solve for x
    x = 257,768,982.58/13,207.04
  6. Step 6: Final answer
    x = 19,517.54

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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.