Home / 17,520.95-26,288.21-6,435.29

Finding the Fourth Proportional to 17,520.95, 26,288.21 and 6,435.29

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Solution

The fourth proportional to 17,520.95, 26,288.21 and 6,435.29 is: 9,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.95 : 26,288.21 = 6,435.29 : x
  2. Step 2: Convert to fraction form
    17,520.95/26,288.21 = 6,435.29/x
  3. Step 3: Cross multiply
    17,520.95x = 26,288.21 × 6,435.29
  4. Step 4: Simplify right side
    17,520.95x = 169,172,336.74
  5. Step 5: Solve for x
    x = 169,172,336.74/17,520.95
  6. Step 6: Final answer
    x = 9,655.43

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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.