Home / 20,156.10-30,176.55-17,852.10

Finding the Fourth Proportional to 20,156.10, 30,176.55 and 17,852.10

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Solution

The fourth proportional to 20,156.10, 30,176.55 and 17,852.10 is: 26,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156.10 : 30,176.55 = 17,852.10 : x
  2. Step 2: Convert to fraction form
    20,156.10/30,176.55 = 17,852.10/x
  3. Step 3: Cross multiply
    20,156.10x = 30,176.55 × 17,852.10
  4. Step 4: Simplify right side
    20,156.10x = 538,714,788.26
  5. Step 5: Solve for x
    x = 538,714,788.26/20,156.10
  6. Step 6: Final answer
    x = 26,727.13

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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.