Home / 21,385.14-32,068.54-7,346.58

Finding the Fourth Proportional to 21,385.14, 32,068.54 and 7,346.58

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Solution

The fourth proportional to 21,385.14, 32,068.54 and 7,346.58 is: 11,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,385.14 : 32,068.54 = 7,346.58 : x
  2. Step 2: Convert to fraction form
    21,385.14/32,068.54 = 7,346.58/x
  3. Step 3: Cross multiply
    21,385.14x = 32,068.54 × 7,346.58
  4. Step 4: Simplify right side
    21,385.14x = 235,594,094.59
  5. Step 5: Solve for x
    x = 235,594,094.59/21,385.14
  6. Step 6: Final answer
    x = 11,016.72

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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.