Home / 18,570.94-27,864.57-7,499.25

Finding the Fourth Proportional to 18,570.94, 27,864.57 and 7,499.25

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Solution

The fourth proportional to 18,570.94, 27,864.57 and 7,499.25 is: 11,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.94 : 27,864.57 = 7,499.25 : x
  2. Step 2: Convert to fraction form
    18,570.94/27,864.57 = 7,499.25/x
  3. Step 3: Cross multiply
    18,570.94x = 27,864.57 × 7,499.25
  4. Step 4: Simplify right side
    18,570.94x = 208,963,376.57
  5. Step 5: Solve for x
    x = 208,963,376.57/18,570.94
  6. Step 6: Final answer
    x = 11,252.17

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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.