Home / 21,892.04-32,829.76-7,848.28

Finding the Fourth Proportional to 21,892.04, 32,829.76 and 7,848.28

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Solution

The fourth proportional to 21,892.04, 32,829.76 and 7,848.28 is: 11,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,892.04 : 32,829.76 = 7,848.28 : x
  2. Step 2: Convert to fraction form
    21,892.04/32,829.76 = 7,848.28/x
  3. Step 3: Cross multiply
    21,892.04x = 32,829.76 × 7,848.28
  4. Step 4: Simplify right side
    21,892.04x = 257,657,148.81
  5. Step 5: Solve for x
    x = 257,657,148.81/21,892.04
  6. Step 6: Final answer
    x = 11,769.44

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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.