Home / 15,927.40-23,916.70-11,575.40

Finding the Fourth Proportional to 15,927.40, 23,916.70 and 11,575.40

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Solution

The fourth proportional to 15,927.40, 23,916.70 and 11,575.40 is: 17,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,927.40 : 23,916.70 = 11,575.40 : x
  2. Step 2: Convert to fraction form
    15,927.40/23,916.70 = 11,575.40/x
  3. Step 3: Cross multiply
    15,927.40x = 23,916.70 × 11,575.40
  4. Step 4: Simplify right side
    15,927.40x = 276,845,369.18
  5. Step 5: Solve for x
    x = 276,845,369.18/15,927.40
  6. Step 6: Final answer
    x = 17,381.71

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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.