Home / 14,050.96-21,070.20-7,475.76

Finding the Fourth Proportional to 14,050.96, 21,070.20 and 7,475.76

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Solution

The fourth proportional to 14,050.96, 21,070.20 and 7,475.76 is: 11,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,050.96 : 21,070.20 = 7,475.76 : x
  2. Step 2: Convert to fraction form
    14,050.96/21,070.20 = 7,475.76/x
  3. Step 3: Cross multiply
    14,050.96x = 21,070.20 × 7,475.76
  4. Step 4: Simplify right side
    14,050.96x = 157,515,758.35
  5. Step 5: Solve for x
    x = 157,515,758.35/14,050.96
  6. Step 6: Final answer
    x = 11,210.32

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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.