Home / 19,792.49-29,686.91-5,756.20

Finding the Fourth Proportional to 19,792.49, 29,686.91 and 5,756.20

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Solution

The fourth proportional to 19,792.49, 29,686.91 and 5,756.20 is: 8,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.49 : 29,686.91 = 5,756.20 : x
  2. Step 2: Convert to fraction form
    19,792.49/29,686.91 = 5,756.20/x
  3. Step 3: Cross multiply
    19,792.49x = 29,686.91 × 5,756.20
  4. Step 4: Simplify right side
    19,792.49x = 170,883,688.34
  5. Step 5: Solve for x
    x = 170,883,688.34/19,792.49
  6. Step 6: Final answer
    x = 8,633.77

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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.