Home / 25,305.16-34,935.69-16,818.79

Finding the Fourth Proportional to 25,305.16, 34,935.69 and 16,818.79

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Solution

The fourth proportional to 25,305.16, 34,935.69 and 16,818.79 is: 23,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305.16 : 34,935.69 = 16,818.79 : x
  2. Step 2: Convert to fraction form
    25,305.16/34,935.69 = 16,818.79/x
  3. Step 3: Cross multiply
    25,305.16x = 34,935.69 × 16,818.79
  4. Step 4: Simplify right side
    25,305.16x = 587,575,946.28
  5. Step 5: Solve for x
    x = 587,575,946.28/25,305.16
  6. Step 6: Final answer
    x = 23,219.61

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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.