Home / 19,738.90-29,499.18-17,683.12

Finding the Fourth Proportional to 19,738.90, 29,499.18 and 17,683.12

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Solution

The fourth proportional to 19,738.90, 29,499.18 and 17,683.12 is: 26,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.90 : 29,499.18 = 17,683.12 : x
  2. Step 2: Convert to fraction form
    19,738.90/29,499.18 = 17,683.12/x
  3. Step 3: Cross multiply
    19,738.90x = 29,499.18 × 17,683.12
  4. Step 4: Simplify right side
    19,738.90x = 521,637,392.35
  5. Step 5: Solve for x
    x = 521,637,392.35/19,738.90
  6. Step 6: Final answer
    x = 26,426.88

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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.