Home / 25,938.45-38,901.53-11,889.72

Finding the Fourth Proportional to 25,938.45, 38,901.53 and 11,889.72

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Solution

The fourth proportional to 25,938.45, 38,901.53 and 11,889.72 is: 17,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,938.45 : 38,901.53 = 11,889.72 : x
  2. Step 2: Convert to fraction form
    25,938.45/38,901.53 = 11,889.72/x
  3. Step 3: Cross multiply
    25,938.45x = 38,901.53 × 11,889.72
  4. Step 4: Simplify right side
    25,938.45x = 462,528,329.00
  5. Step 5: Solve for x
    x = 462,528,329.00/25,938.45
  6. Step 6: Final answer
    x = 17,831.76

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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.