Home / 14,923.86-20,595.21-8,209.56

Finding the Fourth Proportional to 14,923.86, 20,595.21 and 8,209.56

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Solution

The fourth proportional to 14,923.86, 20,595.21 and 8,209.56 is: 11,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,923.86 : 20,595.21 = 8,209.56 : x
  2. Step 2: Convert to fraction form
    14,923.86/20,595.21 = 8,209.56/x
  3. Step 3: Cross multiply
    14,923.86x = 20,595.21 × 8,209.56
  4. Step 4: Simplify right side
    14,923.86x = 169,077,612.21
  5. Step 5: Solve for x
    x = 169,077,612.21/14,923.86
  6. Step 6: Final answer
    x = 11,329.35

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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.