Home / 21,484.85-32,219.57-7,441.11

Finding the Fourth Proportional to 21,484.85, 32,219.57 and 7,441.11

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Solution

The fourth proportional to 21,484.85, 32,219.57 and 7,441.11 is: 11,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.85 : 32,219.57 = 7,441.11 : x
  2. Step 2: Convert to fraction form
    21,484.85/32,219.57 = 7,441.11/x
  3. Step 3: Cross multiply
    21,484.85x = 32,219.57 × 7,441.11
  4. Step 4: Simplify right side
    21,484.85x = 239,749,327.32
  5. Step 5: Solve for x
    x = 239,749,327.32/21,484.85
  6. Step 6: Final answer
    x = 11,159.00

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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.