Home / 14,724.99-20,303.60-11,182.05

Finding the Fourth Proportional to 14,724.99, 20,303.60 and 11,182.05

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Solution

The fourth proportional to 14,724.99, 20,303.60 and 11,182.05 is: 15,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.99 : 20,303.60 = 11,182.05 : x
  2. Step 2: Convert to fraction form
    14,724.99/20,303.60 = 11,182.05/x
  3. Step 3: Cross multiply
    14,724.99x = 20,303.60 × 11,182.05
  4. Step 4: Simplify right side
    14,724.99x = 227,035,814.47
  5. Step 5: Solve for x
    x = 227,035,814.47/14,724.99
  6. Step 6: Final answer
    x = 15,418.40

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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.