Home / 21,406.77-32,102.18-7,362.85

Finding the Fourth Proportional to 21,406.77, 32,102.18 and 7,362.85

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Solution

The fourth proportional to 21,406.77, 32,102.18 and 7,362.85 is: 11,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,406.77 : 32,102.18 = 7,362.85 : x
  2. Step 2: Convert to fraction form
    21,406.77/32,102.18 = 7,362.85/x
  3. Step 3: Cross multiply
    21,406.77x = 32,102.18 × 7,362.85
  4. Step 4: Simplify right side
    21,406.77x = 236,363,554.42
  5. Step 5: Solve for x
    x = 236,363,554.42/21,406.77
  6. Step 6: Final answer
    x = 11,041.54

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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.