Home / 14,356.15-21,525.41-5,580.84

Finding the Fourth Proportional to 14,356.15, 21,525.41 and 5,580.84

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Solution

The fourth proportional to 14,356.15, 21,525.41 and 5,580.84 is: 8,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.15 : 21,525.41 = 5,580.84 : x
  2. Step 2: Convert to fraction form
    14,356.15/21,525.41 = 5,580.84/x
  3. Step 3: Cross multiply
    14,356.15x = 21,525.41 × 5,580.84
  4. Step 4: Simplify right side
    14,356.15x = 120,129,733.61
  5. Step 5: Solve for x
    x = 120,129,733.61/14,356.15
  6. Step 6: Final answer
    x = 8,367.82

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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.