Home / 17,620.68-26,423.34-6,669

Finding the Fourth Proportional to 17,620.68, 26,423.34 and 6,669

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Solution

The fourth proportional to 17,620.68, 26,423.34 and 6,669 is: 10,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.68 : 26,423.34 = 6,669 : x
  2. Step 2: Convert to fraction form
    17,620.68/26,423.34 = 6,669/x
  3. Step 3: Cross multiply
    17,620.68x = 26,423.34 × 6,669
  4. Step 4: Simplify right side
    17,620.68x = 176,217,254.46
  5. Step 5: Solve for x
    x = 176,217,254.46/17,620.68
  6. Step 6: Final answer
    x = 10,000.59

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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.