Home / 14,334.59-19,780.65-8,045.75

Finding the Fourth Proportional to 14,334.59, 19,780.65 and 8,045.75

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Solution

The fourth proportional to 14,334.59, 19,780.65 and 8,045.75 is: 11,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,334.59 : 19,780.65 = 8,045.75 : x
  2. Step 2: Convert to fraction form
    14,334.59/19,780.65 = 8,045.75/x
  3. Step 3: Cross multiply
    14,334.59x = 19,780.65 × 8,045.75
  4. Step 4: Simplify right side
    14,334.59x = 159,150,164.74
  5. Step 5: Solve for x
    x = 159,150,164.74/14,334.59
  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.