Home / 19,930.59-29,875.38-8,842.50

Finding the Fourth Proportional to 19,930.59, 29,875.38 and 8,842.50

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Solution

The fourth proportional to 19,930.59, 29,875.38 and 8,842.50 is: 13,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.59 : 29,875.38 = 8,842.50 : x
  2. Step 2: Convert to fraction form
    19,930.59/29,875.38 = 8,842.50/x
  3. Step 3: Cross multiply
    19,930.59x = 29,875.38 × 8,842.50
  4. Step 4: Simplify right side
    19,930.59x = 264,173,014.49
  5. Step 5: Solve for x
    x = 264,173,014.49/19,930.59
  6. Step 6: Final answer
    x = 13,254.65

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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.