Home / 19,323.48-29,116.85-15,890.39

Finding the Fourth Proportional to 19,323.48, 29,116.85 and 15,890.39

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Solution

The fourth proportional to 19,323.48, 29,116.85 and 15,890.39 is: 23,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.48 : 29,116.85 = 15,890.39 : x
  2. Step 2: Convert to fraction form
    19,323.48/29,116.85 = 15,890.39/x
  3. Step 3: Cross multiply
    19,323.48x = 29,116.85 × 15,890.39
  4. Step 4: Simplify right side
    19,323.48x = 462,677,990.91
  5. Step 5: Solve for x
    x = 462,677,990.91/19,323.48
  6. Step 6: Final answer
    x = 23,943.82

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.