Home / 15,788.53-23,678.07-13,008.31

Finding the Fourth Proportional to 15,788.53, 23,678.07 and 13,008.31

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Solution

The fourth proportional to 15,788.53, 23,678.07 and 13,008.31 is: 19,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.53 : 23,678.07 = 13,008.31 : x
  2. Step 2: Convert to fraction form
    15,788.53/23,678.07 = 13,008.31/x
  3. Step 3: Cross multiply
    15,788.53x = 23,678.07 × 13,008.31
  4. Step 4: Simplify right side
    15,788.53x = 308,011,674.76
  5. Step 5: Solve for x
    x = 308,011,674.76/15,788.53
  6. Step 6: Final answer
    x = 19,508.57

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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.