Home / 18,756.25-25,883.64-10,372.75

Finding the Fourth Proportional to 18,756.25, 25,883.64 and 10,372.75

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Solution

The fourth proportional to 18,756.25, 25,883.64 and 10,372.75 is: 14,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.25 : 25,883.64 = 10,372.75 : x
  2. Step 2: Convert to fraction form
    18,756.25/25,883.64 = 10,372.75/x
  3. Step 3: Cross multiply
    18,756.25x = 25,883.64 × 10,372.75
  4. Step 4: Simplify right side
    18,756.25x = 268,484,526.81
  5. Step 5: Solve for x
    x = 268,484,526.81/18,756.25
  6. Step 6: Final answer
    x = 14,314.40

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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.