Home / 18,715.50-25,827.41-10,332

Finding the Fourth Proportional to 18,715.50, 25,827.41 and 10,332

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Solution

The fourth proportional to 18,715.50, 25,827.41 and 10,332 is: 14,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715.50 : 25,827.41 = 10,332 : x
  2. Step 2: Convert to fraction form
    18,715.50/25,827.41 = 10,332/x
  3. Step 3: Cross multiply
    18,715.50x = 25,827.41 × 10,332
  4. Step 4: Simplify right side
    18,715.50x = 266,848,825.95
  5. Step 5: Solve for x
    x = 266,848,825.95/18,715.50
  6. Step 6: Final answer
    x = 14,258.17

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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.