Home / 17,085.58-23,578.13-9,531.72

Finding the Fourth Proportional to 17,085.58, 23,578.13 and 9,531.72

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Solution

The fourth proportional to 17,085.58, 23,578.13 and 9,531.72 is: 13,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,085.58 : 23,578.13 = 9,531.72 : x
  2. Step 2: Convert to fraction form
    17,085.58/23,578.13 = 9,531.72/x
  3. Step 3: Cross multiply
    17,085.58x = 23,578.13 × 9,531.72
  4. Step 4: Simplify right side
    17,085.58x = 224,740,157.11
  5. Step 5: Solve for x
    x = 224,740,157.11/17,085.58
  6. Step 6: Final answer
    x = 13,153.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.