Home / 22,678.54-31,271.97-14,177.56

Finding the Fourth Proportional to 22,678.54, 31,271.97 and 14,177.56

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Solution

The fourth proportional to 22,678.54, 31,271.97 and 14,177.56 is: 19,549.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.54 : 31,271.97 = 14,177.56 : x
  2. Step 2: Convert to fraction form
    22,678.54/31,271.97 = 14,177.56/x
  3. Step 3: Cross multiply
    22,678.54x = 31,271.97 × 14,177.56
  4. Step 4: Simplify right side
    22,678.54x = 443,360,230.99
  5. Step 5: Solve for x
    x = 443,360,230.99/22,678.54
  6. Step 6: Final answer
    x = 19,549.77

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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.