Home / 19,715.79-29,573.53-4,924.61

Finding the Fourth Proportional to 19,715.79, 29,573.53 and 4,924.61

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Solution

The fourth proportional to 19,715.79, 29,573.53 and 4,924.61 is: 7,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.79 : 29,573.53 = 4,924.61 : x
  2. Step 2: Convert to fraction form
    19,715.79/29,573.53 = 4,924.61/x
  3. Step 3: Cross multiply
    19,715.79x = 29,573.53 × 4,924.61
  4. Step 4: Simplify right side
    19,715.79x = 145,638,101.57
  5. Step 5: Solve for x
    x = 145,638,101.57/19,715.79
  6. Step 6: Final answer
    x = 7,386.88

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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.