Home / 21,356.70-32,038.11-6,566.86

Finding the Fourth Proportional to 21,356.70, 32,038.11 and 6,566.86

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Solution

The fourth proportional to 21,356.70, 32,038.11 and 6,566.86 is: 9,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356.70 : 32,038.11 = 6,566.86 : x
  2. Step 2: Convert to fraction form
    21,356.70/32,038.11 = 6,566.86/x
  3. Step 3: Cross multiply
    21,356.70x = 32,038.11 × 6,566.86
  4. Step 4: Simplify right side
    21,356.70x = 210,389,783.03
  5. Step 5: Solve for x
    x = 210,389,783.03/21,356.70
  6. Step 6: Final answer
    x = 9,851.23

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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.