Home / 13,152.60-19,732.05-4,387.59

Finding the Fourth Proportional to 13,152.60, 19,732.05 and 4,387.59

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Solution

The fourth proportional to 13,152.60, 19,732.05 and 4,387.59 is: 6,582.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.60 : 19,732.05 = 4,387.59 : x
  2. Step 2: Convert to fraction form
    13,152.60/19,732.05 = 4,387.59/x
  3. Step 3: Cross multiply
    13,152.60x = 19,732.05 × 4,387.59
  4. Step 4: Simplify right side
    13,152.60x = 86,576,145.26
  5. Step 5: Solve for x
    x = 86,576,145.26/13,152.60
  6. Step 6: Final answer
    x = 6,582.44

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1.5x scale

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.