Home / 14,907.29-20,572.55-8,193.15

Finding the Fourth Proportional to 14,907.29, 20,572.55 and 8,193.15

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Solution

The fourth proportional to 14,907.29, 20,572.55 and 8,193.15 is: 11,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907.29 : 20,572.55 = 8,193.15 : x
  2. Step 2: Convert to fraction form
    14,907.29/20,572.55 = 8,193.15/x
  3. Step 3: Cross multiply
    14,907.29x = 20,572.55 × 8,193.15
  4. Step 4: Simplify right side
    14,907.29x = 168,554,112.63
  5. Step 5: Solve for x
    x = 168,554,112.63/14,907.29
  6. Step 6: Final answer
    x = 11,306.82

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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.