Home / 19,822.70-29,735.08-5,031.77

Finding the Fourth Proportional to 19,822.70, 29,735.08 and 5,031.77

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Solution

The fourth proportional to 19,822.70, 29,735.08 and 5,031.77 is: 7,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.70 : 29,735.08 = 5,031.77 : x
  2. Step 2: Convert to fraction form
    19,822.70/29,735.08 = 5,031.77/x
  3. Step 3: Cross multiply
    19,822.70x = 29,735.08 × 5,031.77
  4. Step 4: Simplify right side
    19,822.70x = 149,619,922.24
  5. Step 5: Solve for x
    x = 149,619,922.24/19,822.70
  6. Step 6: Final answer
    x = 7,547.91

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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.