Home / 25,955.28-38,931.30-10,361.70

Finding the Fourth Proportional to 25,955.28, 38,931.30 and 10,361.70

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Solution

The fourth proportional to 25,955.28, 38,931.30 and 10,361.70 is: 15,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,955.28 : 38,931.30 = 10,361.70 : x
  2. Step 2: Convert to fraction form
    25,955.28/38,931.30 = 10,361.70/x
  3. Step 3: Cross multiply
    25,955.28x = 38,931.30 × 10,361.70
  4. Step 4: Simplify right side
    25,955.28x = 403,394,451.21
  5. Step 5: Solve for x
    x = 403,394,451.21/25,955.28
  6. Step 6: Final answer
    x = 15,541.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.