Home / 18,563.40-25,618.68-10,499.04

Finding the Fourth Proportional to 18,563.40, 25,618.68 and 10,499.04

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Solution

The fourth proportional to 18,563.40, 25,618.68 and 10,499.04 is: 14,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.40 : 25,618.68 = 10,499.04 : x
  2. Step 2: Convert to fraction form
    18,563.40/25,618.68 = 10,499.04/x
  3. Step 3: Cross multiply
    18,563.40x = 25,618.68 × 10,499.04
  4. Step 4: Simplify right side
    18,563.40x = 268,971,546.07
  5. Step 5: Solve for x
    x = 268,971,546.07/18,563.40
  6. Step 6: Final answer
    x = 14,489.35

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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.