Home / 14,905.88-20,569.07-8,934.56

Finding the Fourth Proportional to 14,905.88, 20,569.07 and 8,934.56

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Solution

The fourth proportional to 14,905.88, 20,569.07 and 8,934.56 is: 12,329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.88 : 20,569.07 = 8,934.56 : x
  2. Step 2: Convert to fraction form
    14,905.88/20,569.07 = 8,934.56/x
  3. Step 3: Cross multiply
    14,905.88x = 20,569.07 × 8,934.56
  4. Step 4: Simplify right side
    14,905.88x = 183,775,590.06
  5. Step 5: Solve for x
    x = 183,775,590.06/14,905.88
  6. Step 6: Final answer
    x = 12,329.07

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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.