Home / 25,003.69-34,500.33-15,451.86

Finding the Fourth Proportional to 25,003.69, 34,500.33 and 15,451.86

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Solution

The fourth proportional to 25,003.69, 34,500.33 and 15,451.86 is: 21,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,003.69 : 34,500.33 = 15,451.86 : x
  2. Step 2: Convert to fraction form
    25,003.69/34,500.33 = 15,451.86/x
  3. Step 3: Cross multiply
    25,003.69x = 34,500.33 × 15,451.86
  4. Step 4: Simplify right side
    25,003.69x = 533,094,398.49
  5. Step 5: Solve for x
    x = 533,094,398.49/25,003.69
  6. Step 6: Final answer
    x = 21,320.63

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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.