Home / 21,966.66-32,946.50-7,175.46

Finding the Fourth Proportional to 21,966.66, 32,946.50 and 7,175.46

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Solution

The fourth proportional to 21,966.66, 32,946.50 and 7,175.46 is: 10,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.66 : 32,946.50 = 7,175.46 : x
  2. Step 2: Convert to fraction form
    21,966.66/32,946.50 = 7,175.46/x
  3. Step 3: Cross multiply
    21,966.66x = 32,946.50 × 7,175.46
  4. Step 4: Simplify right side
    21,966.66x = 236,406,292.89
  5. Step 5: Solve for x
    x = 236,406,292.89/21,966.66
  6. Step 6: Final answer
    x = 10,762.05

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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.