Home / 21,355.18-32,032.80-6,564.01

Finding the Fourth Proportional to 21,355.18, 32,032.80 and 6,564.01

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Solution

The fourth proportional to 21,355.18, 32,032.80 and 6,564.01 is: 9,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355.18 : 32,032.80 = 6,564.01 : x
  2. Step 2: Convert to fraction form
    21,355.18/32,032.80 = 6,564.01/x
  3. Step 3: Cross multiply
    21,355.18x = 32,032.80 × 6,564.01
  4. Step 4: Simplify right side
    21,355.18x = 210,263,619.53
  5. Step 5: Solve for x
    x = 210,263,619.53/21,355.18
  6. Step 6: Final answer
    x = 9,846.02

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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.