Home / 19,863.48-29,644.36-19,059.76

Finding the Fourth Proportional to 19,863.48, 29,644.36 and 19,059.76

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Solution

The fourth proportional to 19,863.48, 29,644.36 and 19,059.76 is: 28,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.48 : 29,644.36 = 19,059.76 : x
  2. Step 2: Convert to fraction form
    19,863.48/29,644.36 = 19,059.76/x
  3. Step 3: Cross multiply
    19,863.48x = 29,644.36 × 19,059.76
  4. Step 4: Simplify right side
    19,863.48x = 565,014,386.95
  5. Step 5: Solve for x
    x = 565,014,386.95/19,863.48
  6. Step 6: Final answer
    x = 28,444.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.