Home / 17,397.90-26,091.36-5,708.40

Finding the Fourth Proportional to 17,397.90, 26,091.36 and 5,708.40

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Solution

The fourth proportional to 17,397.90, 26,091.36 and 5,708.40 is: 8,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,397.90 : 26,091.36 = 5,708.40 : x
  2. Step 2: Convert to fraction form
    17,397.90/26,091.36 = 5,708.40/x
  3. Step 3: Cross multiply
    17,397.90x = 26,091.36 × 5,708.40
  4. Step 4: Simplify right side
    17,397.90x = 148,939,919.42
  5. Step 5: Solve for x
    x = 148,939,919.42/17,397.90
  6. Step 6: Final answer
    x = 8,560.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.