Home / 21,899.23-32,848.38-7,108.12

Finding the Fourth Proportional to 21,899.23, 32,848.38 and 7,108.12

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Solution

The fourth proportional to 21,899.23, 32,848.38 and 7,108.12 is: 10,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899.23 : 32,848.38 = 7,108.12 : x
  2. Step 2: Convert to fraction form
    21,899.23/32,848.38 = 7,108.12/x
  3. Step 3: Cross multiply
    21,899.23x = 32,848.38 × 7,108.12
  4. Step 4: Simplify right side
    21,899.23x = 233,490,267.91
  5. Step 5: Solve for x
    x = 233,490,267.91/21,899.23
  6. Step 6: Final answer
    x = 10,662.03

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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.