Home / 25,624.79-38,438.81-10,831.76

Finding the Fourth Proportional to 25,624.79, 38,438.81 and 10,831.76

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Solution

The fourth proportional to 25,624.79, 38,438.81 and 10,831.76 is: 16,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,624.79 : 38,438.81 = 10,831.76 : x
  2. Step 2: Convert to fraction form
    25,624.79/38,438.81 = 10,831.76/x
  3. Step 3: Cross multiply
    25,624.79x = 38,438.81 × 10,831.76
  4. Step 4: Simplify right side
    25,624.79x = 416,359,910.45
  5. Step 5: Solve for x
    x = 416,359,910.45/25,624.79
  6. Step 6: Final answer
    x = 16,248.32

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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.