Home / 19,611.46-29,417.28-4,820.38

Finding the Fourth Proportional to 19,611.46, 29,417.28 and 4,820.38

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Solution

The fourth proportional to 19,611.46, 29,417.28 and 4,820.38 is: 7,230.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.46 : 29,417.28 = 4,820.38 : x
  2. Step 2: Convert to fraction form
    19,611.46/29,417.28 = 4,820.38/x
  3. Step 3: Cross multiply
    19,611.46x = 29,417.28 × 4,820.38
  4. Step 4: Simplify right side
    19,611.46x = 141,802,468.17
  5. Step 5: Solve for x
    x = 141,802,468.17/19,611.46
  6. Step 6: Final answer
    x = 7,230.59

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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.