Home / 17,423.10-26,138.30-5,416.47

Finding the Fourth Proportional to 17,423.10, 26,138.30 and 5,416.47

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Solution

The fourth proportional to 17,423.10, 26,138.30 and 5,416.47 is: 8,125.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,423.10 : 26,138.30 = 5,416.47 : x
  2. Step 2: Convert to fraction form
    17,423.10/26,138.30 = 5,416.47/x
  3. Step 3: Cross multiply
    17,423.10x = 26,138.30 × 5,416.47
  4. Step 4: Simplify right side
    17,423.10x = 141,577,290.72
  5. Step 5: Solve for x
    x = 141,577,290.72/17,423.10
  6. Step 6: Final answer
    x = 8,125.84

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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.