Home / 25,500.74-35,181.18-18,802.28

Finding the Fourth Proportional to 25,500.74, 35,181.18 and 18,802.28

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Solution

The fourth proportional to 25,500.74, 35,181.18 and 18,802.28 is: 25,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,500.74 : 35,181.18 = 18,802.28 : x
  2. Step 2: Convert to fraction form
    25,500.74/35,181.18 = 18,802.28/x
  3. Step 3: Cross multiply
    25,500.74x = 35,181.18 × 18,802.28
  4. Step 4: Simplify right side
    25,500.74x = 661,486,397.09
  5. Step 5: Solve for x
    x = 661,486,397.09/25,500.74
  6. Step 6: Final answer
    x = 25,939.89

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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.