Home / 20,984.63-31,482.69-6,193.53

Finding the Fourth Proportional to 20,984.63, 31,482.69 and 6,193.53

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Solution

The fourth proportional to 20,984.63, 31,482.69 and 6,193.53 is: 9,291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,984.63 : 31,482.69 = 6,193.53 : x
  2. Step 2: Convert to fraction form
    20,984.63/31,482.69 = 6,193.53/x
  3. Step 3: Cross multiply
    20,984.63x = 31,482.69 × 6,193.53
  4. Step 4: Simplify right side
    20,984.63x = 194,988,985.00
  5. Step 5: Solve for x
    x = 194,988,985.00/20,984.63
  6. Step 6: Final answer
    x = 9,291.99

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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.