Home / 14,887.83-20,545.44-8,174.07

Finding the Fourth Proportional to 14,887.83, 20,545.44 and 8,174.07

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Solution

The fourth proportional to 14,887.83, 20,545.44 and 8,174.07 is: 11,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.83 : 20,545.44 = 8,174.07 : x
  2. Step 2: Convert to fraction form
    14,887.83/20,545.44 = 8,174.07/x
  3. Step 3: Cross multiply
    14,887.83x = 20,545.44 × 8,174.07
  4. Step 4: Simplify right side
    14,887.83x = 167,939,864.74
  5. Step 5: Solve for x
    x = 167,939,864.74/14,887.83
  6. Step 6: Final answer
    x = 11,280.35

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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.