Home / 21,192.83-31,795.26-17,281.08

Finding the Fourth Proportional to 21,192.83, 31,795.26 and 17,281.08

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Solution

The fourth proportional to 21,192.83, 31,795.26 and 17,281.08 is: 25,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.83 : 31,795.26 = 17,281.08 : x
  2. Step 2: Convert to fraction form
    21,192.83/31,795.26 = 17,281.08/x
  3. Step 3: Cross multiply
    21,192.83x = 31,795.26 × 17,281.08
  4. Step 4: Simplify right side
    21,192.83x = 549,456,431.68
  5. Step 5: Solve for x
    x = 549,456,431.68/21,192.83
  6. Step 6: Final answer
    x = 25,926.52

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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.