Home / 14,334.60-19,780.64-8,045.76

Finding the Fourth Proportional to 14,334.60, 19,780.64 and 8,045.76

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Solution

The fourth proportional to 14,334.60, 19,780.64 and 8,045.76 is: 11,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,334.60 : 19,780.64 = 8,045.76 : x
  2. Step 2: Convert to fraction form
    14,334.60/19,780.64 = 8,045.76/x
  3. Step 3: Cross multiply
    14,334.60x = 19,780.64 × 8,045.76
  4. Step 4: Simplify right side
    14,334.60x = 159,150,282.09
  5. Step 5: Solve for x
    x = 159,150,282.09/14,334.60
  6. Step 6: Final answer
    x = 11,102.53

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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.