Home / 18,580.42-25,640.16-10,623.17

Finding the Fourth Proportional to 18,580.42, 25,640.16 and 10,623.17

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Solution

The fourth proportional to 18,580.42, 25,640.16 and 10,623.17 is: 14,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.42 : 25,640.16 = 10,623.17 : x
  2. Step 2: Convert to fraction form
    18,580.42/25,640.16 = 10,623.17/x
  3. Step 3: Cross multiply
    18,580.42x = 25,640.16 × 10,623.17
  4. Step 4: Simplify right side
    18,580.42x = 272,379,718.30
  5. Step 5: Solve for x
    x = 272,379,718.30/18,580.42
  6. Step 6: Final answer
    x = 14,659.50

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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.