Home / 21,526.88-32,290.56-6,735.20

Finding the Fourth Proportional to 21,526.88, 32,290.56 and 6,735.20

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Solution

The fourth proportional to 21,526.88, 32,290.56 and 6,735.20 is: 10,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526.88 : 32,290.56 = 6,735.20 : x
  2. Step 2: Convert to fraction form
    21,526.88/32,290.56 = 6,735.20/x
  3. Step 3: Cross multiply
    21,526.88x = 32,290.56 × 6,735.20
  4. Step 4: Simplify right side
    21,526.88x = 217,483,379.71
  5. Step 5: Solve for x
    x = 217,483,379.71/21,526.88
  6. Step 6: Final answer
    x = 10,102.88

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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.