Home / 12,014.56-16,591.50-11,360.08

Finding the Fourth Proportional to 12,014.56, 16,591.50 and 11,360.08

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Solution

The fourth proportional to 12,014.56, 16,591.50 and 11,360.08 is: 15,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.56 : 16,591.50 = 11,360.08 : x
  2. Step 2: Convert to fraction form
    12,014.56/16,591.50 = 11,360.08/x
  3. Step 3: Cross multiply
    12,014.56x = 16,591.50 × 11,360.08
  4. Step 4: Simplify right side
    12,014.56x = 188,480,767.32
  5. Step 5: Solve for x
    x = 188,480,767.32/12,014.56
  6. Step 6: Final answer
    x = 15,687.70

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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.