Home / 25,654.86-35,423.73-19,677.06

Finding the Fourth Proportional to 25,654.86, 35,423.73 and 19,677.06

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Solution

The fourth proportional to 25,654.86, 35,423.73 and 19,677.06 is: 27,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654.86 : 35,423.73 = 19,677.06 : x
  2. Step 2: Convert to fraction form
    25,654.86/35,423.73 = 19,677.06/x
  3. Step 3: Cross multiply
    25,654.86x = 35,423.73 × 19,677.06
  4. Step 4: Simplify right side
    25,654.86x = 697,034,860.63
  5. Step 5: Solve for x
    x = 697,034,860.63/25,654.86
  6. Step 6: Final answer
    x = 27,169.70

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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.