Home / 15,521.41-23,276.44-5,657.77

Finding the Fourth Proportional to 15,521.41, 23,276.44 and 5,657.77

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Solution

The fourth proportional to 15,521.41, 23,276.44 and 5,657.77 is: 8,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521.41 : 23,276.44 = 5,657.77 : x
  2. Step 2: Convert to fraction form
    15,521.41/23,276.44 = 5,657.77/x
  3. Step 3: Cross multiply
    15,521.41x = 23,276.44 × 5,657.77
  4. Step 4: Simplify right side
    15,521.41x = 131,692,743.94
  5. Step 5: Solve for x
    x = 131,692,743.94/15,521.41
  6. Step 6: Final answer
    x = 8,484.59

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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.