Home / 19,816.48-29,720.56-5,962.40

Finding the Fourth Proportional to 19,816.48, 29,720.56 and 5,962.40

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Solution

The fourth proportional to 19,816.48, 29,720.56 and 5,962.40 is: 8,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.48 : 29,720.56 = 5,962.40 : x
  2. Step 2: Convert to fraction form
    19,816.48/29,720.56 = 5,962.40/x
  3. Step 3: Cross multiply
    19,816.48x = 29,720.56 × 5,962.40
  4. Step 4: Simplify right side
    19,816.48x = 177,205,866.94
  5. Step 5: Solve for x
    x = 177,205,866.94/19,816.48
  6. Step 6: Final answer
    x = 8,942.35

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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.