Home / 14,877.23-20,530.39-8,162.91

Finding the Fourth Proportional to 14,877.23, 20,530.39 and 8,162.91

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Solution

The fourth proportional to 14,877.23, 20,530.39 and 8,162.91 is: 11,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877.23 : 20,530.39 = 8,162.91 : x
  2. Step 2: Convert to fraction form
    14,877.23/20,530.39 = 8,162.91/x
  3. Step 3: Cross multiply
    14,877.23x = 20,530.39 × 8,162.91
  4. Step 4: Simplify right side
    14,877.23x = 167,587,725.83
  5. Step 5: Solve for x
    x = 167,587,725.83/14,877.23
  6. Step 6: Final answer
    x = 11,264.71

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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.