Home / 21,655.16-32,484.80-6,072.74

Finding the Fourth Proportional to 21,655.16, 32,484.80 and 6,072.74

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Solution

The fourth proportional to 21,655.16, 32,484.80 and 6,072.74 is: 9,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655.16 : 32,484.80 = 6,072.74 : x
  2. Step 2: Convert to fraction form
    21,655.16/32,484.80 = 6,072.74/x
  3. Step 3: Cross multiply
    21,655.16x = 32,484.80 × 6,072.74
  4. Step 4: Simplify right side
    21,655.16x = 197,271,744.35
  5. Step 5: Solve for x
    x = 197,271,744.35/21,655.16
  6. Step 6: Final answer
    x = 9,109.69

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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.