Home / 19,610.10-29,420.01-7,136.91

Finding the Fourth Proportional to 19,610.10, 29,420.01 and 7,136.91

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Solution

The fourth proportional to 19,610.10, 29,420.01 and 7,136.91 is: 10,707.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.10 : 29,420.01 = 7,136.91 : x
  2. Step 2: Convert to fraction form
    19,610.10/29,420.01 = 7,136.91/x
  3. Step 3: Cross multiply
    19,610.10x = 29,420.01 × 7,136.91
  4. Step 4: Simplify right side
    19,610.10x = 209,967,963.57
  5. Step 5: Solve for x
    x = 209,967,963.57/19,610.10
  6. Step 6: Final answer
    x = 10,707.13

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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.