Home / 21,995.04-32,992.62-5,355.06

Finding the Fourth Proportional to 21,995.04, 32,992.62 and 5,355.06

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Solution

The fourth proportional to 21,995.04, 32,992.62 and 5,355.06 is: 8,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.04 : 32,992.62 = 5,355.06 : x
  2. Step 2: Convert to fraction form
    21,995.04/32,992.62 = 5,355.06/x
  3. Step 3: Cross multiply
    21,995.04x = 32,992.62 × 5,355.06
  4. Step 4: Simplify right side
    21,995.04x = 176,677,459.66
  5. Step 5: Solve for x
    x = 176,677,459.66/21,995.04
  6. Step 6: Final answer
    x = 8,032.60

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1.5x scale

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.