Home / 17,724.42-26,578.67-5,240.16

Finding the Fourth Proportional to 17,724.42, 26,578.67 and 5,240.16

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Solution

The fourth proportional to 17,724.42, 26,578.67 and 5,240.16 is: 7,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,724.42 : 26,578.67 = 5,240.16 : x
  2. Step 2: Convert to fraction form
    17,724.42/26,578.67 = 5,240.16/x
  3. Step 3: Cross multiply
    17,724.42x = 26,578.67 × 5,240.16
  4. Step 4: Simplify right side
    17,724.42x = 139,276,457.19
  5. Step 5: Solve for x
    x = 139,276,457.19/17,724.42
  6. Step 6: Final answer
    x = 7,857.89

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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.