Home / 15,151.05-22,726.94-5,155.77

Finding the Fourth Proportional to 15,151.05, 22,726.94 and 5,155.77

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Solution

The fourth proportional to 15,151.05, 22,726.94 and 5,155.77 is: 7,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.05 : 22,726.94 = 5,155.77 : x
  2. Step 2: Convert to fraction form
    15,151.05/22,726.94 = 5,155.77/x
  3. Step 3: Cross multiply
    15,151.05x = 22,726.94 × 5,155.77
  4. Step 4: Simplify right side
    15,151.05x = 117,174,875.44
  5. Step 5: Solve for x
    x = 117,174,875.44/15,151.05
  6. Step 6: Final answer
    x = 7,733.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.