Home / 14,319.66-21,492.90-7,751.01

Finding the Fourth Proportional to 14,319.66, 21,492.90 and 7,751.01

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Solution

The fourth proportional to 14,319.66, 21,492.90 and 7,751.01 is: 11,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.66 : 21,492.90 = 7,751.01 : x
  2. Step 2: Convert to fraction form
    14,319.66/21,492.90 = 7,751.01/x
  3. Step 3: Cross multiply
    14,319.66x = 21,492.90 × 7,751.01
  4. Step 4: Simplify right side
    14,319.66x = 166,591,682.83
  5. Step 5: Solve for x
    x = 166,591,682.83/14,319.66
  6. Step 6: Final answer
    x = 11,633.77

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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.