Home / 19,611.85-29,417.50-4,820.63

Finding the Fourth Proportional to 19,611.85, 29,417.50 and 4,820.63

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Solution

The fourth proportional to 19,611.85, 29,417.50 and 4,820.63 is: 7,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.85 : 29,417.50 = 4,820.63 : x
  2. Step 2: Convert to fraction form
    19,611.85/29,417.50 = 4,820.63/x
  3. Step 3: Cross multiply
    19,611.85x = 29,417.50 × 4,820.63
  4. Step 4: Simplify right side
    19,611.85x = 141,810,883.03
  5. Step 5: Solve for x
    x = 141,810,883.03/19,611.85
  6. Step 6: Final answer
    x = 7,230.88

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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.