Home / 16,631.88-22,929.94-13,788.52

Finding the Fourth Proportional to 16,631.88, 22,929.94 and 13,788.52

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Solution

The fourth proportional to 16,631.88, 22,929.94 and 13,788.52 is: 19,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.88 : 22,929.94 = 13,788.52 : x
  2. Step 2: Convert to fraction form
    16,631.88/22,929.94 = 13,788.52/x
  3. Step 3: Cross multiply
    16,631.88x = 22,929.94 × 13,788.52
  4. Step 4: Simplify right side
    16,631.88x = 316,169,936.29
  5. Step 5: Solve for x
    x = 316,169,936.29/16,631.88
  6. Step 6: Final answer
    x = 19,009.87

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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.