Home / 18,748.12-25,873.50-10,365.40

Finding the Fourth Proportional to 18,748.12, 25,873.50 and 10,365.40

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Solution

The fourth proportional to 18,748.12, 25,873.50 and 10,365.40 is: 14,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.12 : 25,873.50 = 10,365.40 : x
  2. Step 2: Convert to fraction form
    18,748.12/25,873.50 = 10,365.40/x
  3. Step 3: Cross multiply
    18,748.12x = 25,873.50 × 10,365.40
  4. Step 4: Simplify right side
    18,748.12x = 268,189,176.90
  5. Step 5: Solve for x
    x = 268,189,176.90/18,748.12
  6. Step 6: Final answer
    x = 14,304.86

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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.