Home / 21,584.96-32,368.92-10,488.36

Finding the Fourth Proportional to 21,584.96, 32,368.92 and 10,488.36

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Solution

The fourth proportional to 21,584.96, 32,368.92 and 10,488.36 is: 15,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.96 : 32,368.92 = 10,488.36 : x
  2. Step 2: Convert to fraction form
    21,584.96/32,368.92 = 10,488.36/x
  3. Step 3: Cross multiply
    21,584.96x = 32,368.92 × 10,488.36
  4. Step 4: Simplify right side
    21,584.96x = 339,496,885.77
  5. Step 5: Solve for x
    x = 339,496,885.77/21,584.96
  6. Step 6: Final answer
    x = 15,728.40

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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.