Home / 14,918.36-20,588.91-8,545.46

Finding the Fourth Proportional to 14,918.36, 20,588.91 and 8,545.46

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Solution

The fourth proportional to 14,918.36, 20,588.91 and 8,545.46 is: 11,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.36 : 20,588.91 = 8,545.46 : x
  2. Step 2: Convert to fraction form
    14,918.36/20,588.91 = 8,545.46/x
  3. Step 3: Cross multiply
    14,918.36x = 20,588.91 × 8,545.46
  4. Step 4: Simplify right side
    14,918.36x = 175,941,706.85
  5. Step 5: Solve for x
    x = 175,941,706.85/14,918.36
  6. Step 6: Final answer
    x = 11,793.64

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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.