Home / 21,341.69-32,005.61-7,106.36

Finding the Fourth Proportional to 21,341.69, 32,005.61 and 7,106.36

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Solution

The fourth proportional to 21,341.69, 32,005.61 and 7,106.36 is: 10,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341.69 : 32,005.61 = 7,106.36 : x
  2. Step 2: Convert to fraction form
    21,341.69/32,005.61 = 7,106.36/x
  3. Step 3: Cross multiply
    21,341.69x = 32,005.61 × 7,106.36
  4. Step 4: Simplify right side
    21,341.69x = 227,443,431.16
  5. Step 5: Solve for x
    x = 227,443,431.16/21,341.69
  6. Step 6: Final answer
    x = 10,657.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.