Home / 21,555.03-32,322.28-7,513.35

Finding the Fourth Proportional to 21,555.03, 32,322.28 and 7,513.35

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Solution

The fourth proportional to 21,555.03, 32,322.28 and 7,513.35 is: 11,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555.03 : 32,322.28 = 7,513.35 : x
  2. Step 2: Convert to fraction form
    21,555.03/32,322.28 = 7,513.35/x
  3. Step 3: Cross multiply
    21,555.03x = 32,322.28 × 7,513.35
  4. Step 4: Simplify right side
    21,555.03x = 242,848,602.44
  5. Step 5: Solve for x
    x = 242,848,602.44/21,555.03
  6. Step 6: Final answer
    x = 11,266.45

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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.