Home / 15,832.14-21,948.27-14,989.47

Finding the Fourth Proportional to 15,832.14, 21,948.27 and 14,989.47

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Solution

The fourth proportional to 15,832.14, 21,948.27 and 14,989.47 is: 20,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832.14 : 21,948.27 = 14,989.47 : x
  2. Step 2: Convert to fraction form
    15,832.14/21,948.27 = 14,989.47/x
  3. Step 3: Cross multiply
    15,832.14x = 21,948.27 × 14,989.47
  4. Step 4: Simplify right side
    15,832.14x = 328,992,934.72
  5. Step 5: Solve for x
    x = 328,992,934.72/15,832.14
  6. Step 6: Final answer
    x = 20,780.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.