Home / 14,725.58-20,325.69-9,693.68

Finding the Fourth Proportional to 14,725.58, 20,325.69 and 9,693.68

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Solution

The fourth proportional to 14,725.58, 20,325.69 and 9,693.68 is: 13,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.58 : 20,325.69 = 9,693.68 : x
  2. Step 2: Convert to fraction form
    14,725.58/20,325.69 = 9,693.68/x
  3. Step 3: Cross multiply
    14,725.58x = 20,325.69 × 9,693.68
  4. Step 4: Simplify right side
    14,725.58x = 197,030,633.01
  5. Step 5: Solve for x
    x = 197,030,633.01/14,725.58
  6. Step 6: Final answer
    x = 13,380.17

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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.