Home / 21,254.99-31,887.23-6,465.06

Finding the Fourth Proportional to 21,254.99, 31,887.23 and 6,465.06

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Solution

The fourth proportional to 21,254.99, 31,887.23 and 6,465.06 is: 9,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254.99 : 31,887.23 = 6,465.06 : x
  2. Step 2: Convert to fraction form
    21,254.99/31,887.23 = 6,465.06/x
  3. Step 3: Cross multiply
    21,254.99x = 31,887.23 × 6,465.06
  4. Step 4: Simplify right side
    21,254.99x = 206,152,926.33
  5. Step 5: Solve for x
    x = 206,152,926.33/21,254.99
  6. Step 6: Final answer
    x = 9,699.04

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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.