Home / 17,715.72-26,578.14-5,235.24

Finding the Fourth Proportional to 17,715.72, 26,578.14 and 5,235.24

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Solution

The fourth proportional to 17,715.72, 26,578.14 and 5,235.24 is: 7,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,715.72 : 26,578.14 = 5,235.24 : x
  2. Step 2: Convert to fraction form
    17,715.72/26,578.14 = 5,235.24/x
  3. Step 3: Cross multiply
    17,715.72x = 26,578.14 × 5,235.24
  4. Step 4: Simplify right side
    17,715.72x = 139,142,941.65
  5. Step 5: Solve for x
    x = 139,142,941.65/17,715.72
  6. Step 6: Final answer
    x = 7,854.21

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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.