Home / 14,505.51-20,017.35-8,132.30

Finding the Fourth Proportional to 14,505.51, 20,017.35 and 8,132.30

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Solution

The fourth proportional to 14,505.51, 20,017.35 and 8,132.30 is: 11,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.51 : 20,017.35 = 8,132.30 : x
  2. Step 2: Convert to fraction form
    14,505.51/20,017.35 = 8,132.30/x
  3. Step 3: Cross multiply
    14,505.51x = 20,017.35 × 8,132.30
  4. Step 4: Simplify right side
    14,505.51x = 162,787,095.41
  5. Step 5: Solve for x
    x = 162,787,095.41/14,505.51
  6. Step 6: Final answer
    x = 11,222.43

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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.