Home / 14,001.84-21,003.12-4,774.32

Finding the Fourth Proportional to 14,001.84, 21,003.12 and 4,774.32

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Solution

The fourth proportional to 14,001.84, 21,003.12 and 4,774.32 is: 7,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.84 : 21,003.12 = 4,774.32 : x
  2. Step 2: Convert to fraction form
    14,001.84/21,003.12 = 4,774.32/x
  3. Step 3: Cross multiply
    14,001.84x = 21,003.12 × 4,774.32
  4. Step 4: Simplify right side
    14,001.84x = 100,275,615.88
  5. Step 5: Solve for x
    x = 100,275,615.88/14,001.84
  6. Step 6: Final answer
    x = 7,161.60

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1.5x scale

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.