Home / 25,177.86-34,747.16-16,665.32

Finding the Fourth Proportional to 25,177.86, 34,747.16 and 16,665.32

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Solution

The fourth proportional to 25,177.86, 34,747.16 and 16,665.32 is: 22,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,177.86 : 34,747.16 = 16,665.32 : x
  2. Step 2: Convert to fraction form
    25,177.86/34,747.16 = 16,665.32/x
  3. Step 3: Cross multiply
    25,177.86x = 34,747.16 × 16,665.32
  4. Step 4: Simplify right side
    25,177.86x = 579,072,544.03
  5. Step 5: Solve for x
    x = 579,072,544.03/25,177.86
  6. Step 6: Final answer
    x = 22,999.28

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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.