Home / 19,928.93-29,875.16-8,837.80

Finding the Fourth Proportional to 19,928.93, 29,875.16 and 8,837.80

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Solution

The fourth proportional to 19,928.93, 29,875.16 and 8,837.80 is: 13,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.93 : 29,875.16 = 8,837.80 : x
  2. Step 2: Convert to fraction form
    19,928.93/29,875.16 = 8,837.80/x
  3. Step 3: Cross multiply
    19,928.93x = 29,875.16 × 8,837.80
  4. Step 4: Simplify right side
    19,928.93x = 264,030,636.45
  5. Step 5: Solve for x
    x = 264,030,636.45/19,928.93
  6. Step 6: Final answer
    x = 13,248.61

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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.