Home / 17,209.89-23,714.51-13,358.34

Finding the Fourth Proportional to 17,209.89, 23,714.51 and 13,358.34

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Solution

The fourth proportional to 17,209.89, 23,714.51 and 13,358.34 is: 18,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,209.89 : 23,714.51 = 13,358.34 : x
  2. Step 2: Convert to fraction form
    17,209.89/23,714.51 = 13,358.34/x
  3. Step 3: Cross multiply
    17,209.89x = 23,714.51 × 13,358.34
  4. Step 4: Simplify right side
    17,209.89x = 316,786,420.72
  5. Step 5: Solve for x
    x = 316,786,420.72/17,209.89
  6. Step 6: Final answer
    x = 18,407.23

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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.