Home / 19,582.40-29,373.66-6,435.80

Finding the Fourth Proportional to 19,582.40, 29,373.66 and 6,435.80

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Solution

The fourth proportional to 19,582.40, 29,373.66 and 6,435.80 is: 9,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.40 : 29,373.66 = 6,435.80 : x
  2. Step 2: Convert to fraction form
    19,582.40/29,373.66 = 6,435.80/x
  3. Step 3: Cross multiply
    19,582.40x = 29,373.66 × 6,435.80
  4. Step 4: Simplify right side
    19,582.40x = 189,043,001.03
  5. Step 5: Solve for x
    x = 189,043,001.03/19,582.40
  6. Step 6: Final answer
    x = 9,653.72

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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.