Home / 14,752.05-20,355.24-8,782.74

Finding the Fourth Proportional to 14,752.05, 20,355.24 and 8,782.74

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Solution

The fourth proportional to 14,752.05, 20,355.24 and 8,782.74 is: 12,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752.05 : 20,355.24 = 8,782.74 : x
  2. Step 2: Convert to fraction form
    14,752.05/20,355.24 = 8,782.74/x
  3. Step 3: Cross multiply
    14,752.05x = 20,355.24 × 8,782.74
  4. Step 4: Simplify right side
    14,752.05x = 178,774,780.56
  5. Step 5: Solve for x
    x = 178,774,780.56/14,752.05
  6. Step 6: Final answer
    x = 12,118.64

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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.