Home / 17,411.80-26,121.64-5,725.12

Finding the Fourth Proportional to 17,411.80, 26,121.64 and 5,725.12

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Solution

The fourth proportional to 17,411.80, 26,121.64 and 5,725.12 is: 8,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,411.80 : 26,121.64 = 5,725.12 : x
  2. Step 2: Convert to fraction form
    17,411.80/26,121.64 = 5,725.12/x
  3. Step 3: Cross multiply
    17,411.80x = 26,121.64 × 5,725.12
  4. Step 4: Simplify right side
    17,411.80x = 149,549,523.60
  5. Step 5: Solve for x
    x = 149,549,523.60/17,411.80
  6. Step 6: Final answer
    x = 8,588.98

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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.