Home / 28,146.96-42,208.02-14,996.52

Finding the Fourth Proportional to 28,146.96, 42,208.02 and 14,996.52

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Solution

The fourth proportional to 28,146.96, 42,208.02 and 14,996.52 is: 22,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,146.96 : 42,208.02 = 14,996.52 : x
  2. Step 2: Convert to fraction form
    28,146.96/42,208.02 = 14,996.52/x
  3. Step 3: Cross multiply
    28,146.96x = 42,208.02 × 14,996.52
  4. Step 4: Simplify right side
    28,146.96x = 632,973,416.09
  5. Step 5: Solve for x
    x = 632,973,416.09/28,146.96
  6. Step 6: Final answer
    x = 22,488.16

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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.