Home / 25,931.79-38,895.80-10,133.86

Finding the Fourth Proportional to 25,931.79, 38,895.80 and 10,133.86

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Solution

The fourth proportional to 25,931.79, 38,895.80 and 10,133.86 is: 15,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931.79 : 38,895.80 = 10,133.86 : x
  2. Step 2: Convert to fraction form
    25,931.79/38,895.80 = 10,133.86/x
  3. Step 3: Cross multiply
    25,931.79x = 38,895.80 × 10,133.86
  4. Step 4: Simplify right side
    25,931.79x = 394,164,591.79
  5. Step 5: Solve for x
    x = 394,164,591.79/25,931.79
  6. Step 6: Final answer
    x = 15,200.05

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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.