Home / 14,888.37-20,545.85-8,174.12

Finding the Fourth Proportional to 14,888.37, 20,545.85 and 8,174.12

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Solution

The fourth proportional to 14,888.37, 20,545.85 and 8,174.12 is: 11,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,888.37 : 20,545.85 = 8,174.12 : x
  2. Step 2: Convert to fraction form
    14,888.37/20,545.85 = 8,174.12/x
  3. Step 3: Cross multiply
    14,888.37x = 20,545.85 × 8,174.12
  4. Step 4: Simplify right side
    14,888.37x = 167,944,161.11
  5. Step 5: Solve for x
    x = 167,944,161.11/14,888.37
  6. Step 6: Final answer
    x = 11,280.22

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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.