Home / 13,056.12-19,582.65-4,288.88

Finding the Fourth Proportional to 13,056.12, 19,582.65 and 4,288.88

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Solution

The fourth proportional to 13,056.12, 19,582.65 and 4,288.88 is: 6,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.12 : 19,582.65 = 4,288.88 : x
  2. Step 2: Convert to fraction form
    13,056.12/19,582.65 = 4,288.88/x
  3. Step 3: Cross multiply
    13,056.12x = 19,582.65 × 4,288.88
  4. Step 4: Simplify right side
    13,056.12x = 83,987,538.02
  5. Step 5: Solve for x
    x = 83,987,538.02/13,056.12
  6. Step 6: Final answer
    x = 6,432.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.