Home / 14,513.50-20,030.52-8,545.72

Finding the Fourth Proportional to 14,513.50, 20,030.52 and 8,545.72

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Solution

The fourth proportional to 14,513.50, 20,030.52 and 8,545.72 is: 11,794.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.50 : 20,030.52 = 8,545.72 : x
  2. Step 2: Convert to fraction form
    14,513.50/20,030.52 = 8,545.72/x
  3. Step 3: Cross multiply
    14,513.50x = 20,030.52 × 8,545.72
  4. Step 4: Simplify right side
    14,513.50x = 171,175,215.37
  5. Step 5: Solve for x
    x = 171,175,215.37/14,513.50
  6. Step 6: Final answer
    x = 11,794.21

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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.