Home / 25,281.79-34,867.87-18,983.23

Finding the Fourth Proportional to 25,281.79, 34,867.87 and 18,983.23

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Solution

The fourth proportional to 25,281.79, 34,867.87 and 18,983.23 is: 26,181.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.79 : 34,867.87 = 18,983.23 : x
  2. Step 2: Convert to fraction form
    25,281.79/34,867.87 = 18,983.23/x
  3. Step 3: Cross multiply
    25,281.79x = 34,867.87 × 18,983.23
  4. Step 4: Simplify right side
    25,281.79x = 661,904,795.82
  5. Step 5: Solve for x
    x = 661,904,795.82/25,281.79
  6. Step 6: Final answer
    x = 26,181.09

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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.