Home / 21,526.77-32,289.26-7,490.01

Finding the Fourth Proportional to 21,526.77, 32,289.26 and 7,490.01

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Solution

The fourth proportional to 21,526.77, 32,289.26 and 7,490.01 is: 11,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526.77 : 32,289.26 = 7,490.01 : x
  2. Step 2: Convert to fraction form
    21,526.77/32,289.26 = 7,490.01/x
  3. Step 3: Cross multiply
    21,526.77x = 32,289.26 × 7,490.01
  4. Step 4: Simplify right side
    21,526.77x = 241,846,842.84
  5. Step 5: Solve for x
    x = 241,846,842.84/21,526.77
  6. Step 6: Final answer
    x = 11,234.70

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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.