Home / 17,127.66-23,545.50-14,728.80

Finding the Fourth Proportional to 17,127.66, 23,545.50 and 14,728.80

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Solution

The fourth proportional to 17,127.66, 23,545.50 and 14,728.80 is: 20,247.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,127.66 : 23,545.50 = 14,728.80 : x
  2. Step 2: Convert to fraction form
    17,127.66/23,545.50 = 14,728.80/x
  3. Step 3: Cross multiply
    17,127.66x = 23,545.50 × 14,728.80
  4. Step 4: Simplify right side
    17,127.66x = 346,796,960.40
  5. Step 5: Solve for x
    x = 346,796,960.40/17,127.66
  6. Step 6: Final answer
    x = 20,247.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.