Home / 21,973.12-32,959.76-5,333.08

Finding the Fourth Proportional to 21,973.12, 32,959.76 and 5,333.08

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Solution

The fourth proportional to 21,973.12, 32,959.76 and 5,333.08 is: 7,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.12 : 32,959.76 = 5,333.08 : x
  2. Step 2: Convert to fraction form
    21,973.12/32,959.76 = 5,333.08/x
  3. Step 3: Cross multiply
    21,973.12x = 32,959.76 × 5,333.08
  4. Step 4: Simplify right side
    21,973.12x = 175,777,036.86
  5. Step 5: Solve for x
    x = 175,777,036.86/21,973.12
  6. Step 6: Final answer
    x = 7,999.64

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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.