Home / 20,937.84-31,354.52-14,668.44

Finding the Fourth Proportional to 20,937.84, 31,354.52 and 14,668.44

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Solution

The fourth proportional to 20,937.84, 31,354.52 and 14,668.44 is: 21,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,937.84 : 31,354.52 = 14,668.44 : x
  2. Step 2: Convert to fraction form
    20,937.84/31,354.52 = 14,668.44/x
  3. Step 3: Cross multiply
    20,937.84x = 31,354.52 × 14,668.44
  4. Step 4: Simplify right side
    20,937.84x = 459,921,895.35
  5. Step 5: Solve for x
    x = 459,921,895.35/20,937.84
  6. Step 6: Final answer
    x = 21,966.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.