Home / 25,440.71-35,140.89-19,544.91

Finding the Fourth Proportional to 25,440.71, 35,140.89 and 19,544.91

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Solution

The fourth proportional to 25,440.71, 35,140.89 and 19,544.91 is: 26,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.71 : 35,140.89 = 19,544.91 : x
  2. Step 2: Convert to fraction form
    25,440.71/35,140.89 = 19,544.91/x
  3. Step 3: Cross multiply
    25,440.71x = 35,140.89 × 19,544.91
  4. Step 4: Simplify right side
    25,440.71x = 686,825,532.37
  5. Step 5: Solve for x
    x = 686,825,532.37/25,440.71
  6. Step 6: Final answer
    x = 26,997.11

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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.