Home / 17,434.10-26,109.84-13,269.08

Finding the Fourth Proportional to 17,434.10, 26,109.84 and 13,269.08

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Solution

The fourth proportional to 17,434.10, 26,109.84 and 13,269.08 is: 19,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,434.10 : 26,109.84 = 13,269.08 : x
  2. Step 2: Convert to fraction form
    17,434.10/26,109.84 = 13,269.08/x
  3. Step 3: Cross multiply
    17,434.10x = 26,109.84 × 13,269.08
  4. Step 4: Simplify right side
    17,434.10x = 346,453,555.75
  5. Step 5: Solve for x
    x = 346,453,555.75/17,434.10
  6. Step 6: Final answer
    x = 19,872.18

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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.