Home / 18,747.40-25,869.06-10,364.04

Finding the Fourth Proportional to 18,747.40, 25,869.06 and 10,364.04

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Solution

The fourth proportional to 18,747.40, 25,869.06 and 10,364.04 is: 14,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.40 : 25,869.06 = 10,364.04 : x
  2. Step 2: Convert to fraction form
    18,747.40/25,869.06 = 10,364.04/x
  3. Step 3: Cross multiply
    18,747.40x = 25,869.06 × 10,364.04
  4. Step 4: Simplify right side
    18,747.40x = 268,107,972.60
  5. Step 5: Solve for x
    x = 268,107,972.60/18,747.40
  6. Step 6: Final answer
    x = 14,301.07

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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.