Home / 14,785.58-20,409.64-9,195.50

Finding the Fourth Proportional to 14,785.58, 20,409.64 and 9,195.50

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Solution

The fourth proportional to 14,785.58, 20,409.64 and 9,195.50 is: 12,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.58 : 20,409.64 = 9,195.50 : x
  2. Step 2: Convert to fraction form
    14,785.58/20,409.64 = 9,195.50/x
  3. Step 3: Cross multiply
    14,785.58x = 20,409.64 × 9,195.50
  4. Step 4: Simplify right side
    14,785.58x = 187,676,844.62
  5. Step 5: Solve for x
    x = 187,676,844.62/14,785.58
  6. Step 6: Final answer
    x = 12,693.24

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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.