Home / 14,535.53-20,065.12-12,308.93

Finding the Fourth Proportional to 14,535.53, 20,065.12 and 12,308.93

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Solution

The fourth proportional to 14,535.53, 20,065.12 and 12,308.93 is: 16,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.53 : 20,065.12 = 12,308.93 : x
  2. Step 2: Convert to fraction form
    14,535.53/20,065.12 = 12,308.93/x
  3. Step 3: Cross multiply
    14,535.53x = 20,065.12 × 12,308.93
  4. Step 4: Simplify right side
    14,535.53x = 246,980,157.52
  5. Step 5: Solve for x
    x = 246,980,157.52/14,535.53
  6. Step 6: Final answer
    x = 16,991.48

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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.