Home / 21,595.44-29,802.20-12,036.31

Finding the Fourth Proportional to 21,595.44, 29,802.20 and 12,036.31

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Solution

The fourth proportional to 21,595.44, 29,802.20 and 12,036.31 is: 16,610.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.44 : 29,802.20 = 12,036.31 : x
  2. Step 2: Convert to fraction form
    21,595.44/29,802.20 = 12,036.31/x
  3. Step 3: Cross multiply
    21,595.44x = 29,802.20 × 12,036.31
  4. Step 4: Simplify right side
    21,595.44x = 358,708,540.09
  5. Step 5: Solve for x
    x = 358,708,540.09/21,595.44
  6. Step 6: Final answer
    x = 16,610.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.