Home / 25,754,683.86-35,505,949.73-20,545,372.89

Finding the Fourth Proportional to 25,754,683.86, 35,505,949.73 and 20,545,372.89

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Solution

The fourth proportional to 25,754,683.86, 35,505,949.73 and 20,545,372.89 is: 28,324,283.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,754,683.86 : 35,505,949.73 = 20,545,372.89 : x
  2. Step 2: Convert to fraction form
    25,754,683.86/35,505,949.73 = 20,545,372.89/x
  3. Step 3: Cross multiply
    25,754,683.86x = 35,505,949.73 × 20,545,372.89
  4. Step 4: Simplify right side
    25,754,683.86x = 729,482,976,913,718
  5. Step 5: Solve for x
    x = 729,482,976,913,718/25,754,683.86
  6. Step 6: Final answer
    x = 28,324,283.88

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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.