Home / 19,152.90-28,677.42-9,899.46

Finding the Fourth Proportional to 19,152.90, 28,677.42 and 9,899.46

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Solution

The fourth proportional to 19,152.90, 28,677.42 and 9,899.46 is: 14,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.90 : 28,677.42 = 9,899.46 : x
  2. Step 2: Convert to fraction form
    19,152.90/28,677.42 = 9,899.46/x
  3. Step 3: Cross multiply
    19,152.90x = 28,677.42 × 9,899.46
  4. Step 4: Simplify right side
    19,152.90x = 283,890,972.19
  5. Step 5: Solve for x
    x = 283,890,972.19/19,152.90
  6. Step 6: Final answer
    x = 14,822.35

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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.