Home / 17,605.20-26,389.34-8,237.32

Finding the Fourth Proportional to 17,605.20, 26,389.34 and 8,237.32

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Solution

The fourth proportional to 17,605.20, 26,389.34 and 8,237.32 is: 12,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.20 : 26,389.34 = 8,237.32 : x
  2. Step 2: Convert to fraction form
    17,605.20/26,389.34 = 8,237.32/x
  3. Step 3: Cross multiply
    17,605.20x = 26,389.34 × 8,237.32
  4. Step 4: Simplify right side
    17,605.20x = 217,377,482.45
  5. Step 5: Solve for x
    x = 217,377,482.45/17,605.20
  6. Step 6: Final answer
    x = 12,347.35

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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.