Home / 21,351.99-32,032.10-6,558.28

Finding the Fourth Proportional to 21,351.99, 32,032.10 and 6,558.28

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Solution

The fourth proportional to 21,351.99, 32,032.10 and 6,558.28 is: 9,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351.99 : 32,032.10 = 6,558.28 : x
  2. Step 2: Convert to fraction form
    21,351.99/32,032.10 = 6,558.28/x
  3. Step 3: Cross multiply
    21,351.99x = 32,032.10 × 6,558.28
  4. Step 4: Simplify right side
    21,351.99x = 210,075,480.79
  5. Step 5: Solve for x
    x = 210,075,480.79/21,351.99
  6. Step 6: Final answer
    x = 9,838.68

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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.