Home / 14,907.86-20,572.40-8,193.47

Finding the Fourth Proportional to 14,907.86, 20,572.40 and 8,193.47

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Solution

The fourth proportional to 14,907.86, 20,572.40 and 8,193.47 is: 11,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907.86 : 20,572.40 = 8,193.47 : x
  2. Step 2: Convert to fraction form
    14,907.86/20,572.40 = 8,193.47/x
  3. Step 3: Cross multiply
    14,907.86x = 20,572.40 × 8,193.47
  4. Step 4: Simplify right side
    14,907.86x = 168,559,198.40
  5. Step 5: Solve for x
    x = 168,559,198.40/14,907.86
  6. Step 6: Final answer
    x = 11,306.74

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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.