Home / 14,051.75-21,039.62-8,774.12

Finding the Fourth Proportional to 14,051.75, 21,039.62 and 8,774.12

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Solution

The fourth proportional to 14,051.75, 21,039.62 and 8,774.12 is: 13,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.75 : 21,039.62 = 8,774.12 : x
  2. Step 2: Convert to fraction form
    14,051.75/21,039.62 = 8,774.12/x
  3. Step 3: Cross multiply
    14,051.75x = 21,039.62 × 8,774.12
  4. Step 4: Simplify right side
    14,051.75x = 184,604,159.36
  5. Step 5: Solve for x
    x = 184,604,159.36/14,051.75
  6. Step 6: Final answer
    x = 13,137.45

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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.