Home / 14,211.48-19,611.40-7,750.88

Finding the Fourth Proportional to 14,211.48, 19,611.40 and 7,750.88

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Solution

The fourth proportional to 14,211.48, 19,611.40 and 7,750.88 is: 10,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.48 : 19,611.40 = 7,750.88 : x
  2. Step 2: Convert to fraction form
    14,211.48/19,611.40 = 7,750.88/x
  3. Step 3: Cross multiply
    14,211.48x = 19,611.40 × 7,750.88
  4. Step 4: Simplify right side
    14,211.48x = 152,005,471.22
  5. Step 5: Solve for x
    x = 152,005,471.22/14,211.48
  6. Step 6: Final answer
    x = 10,695.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.