Home / 20,055.92-30,108.36-19,263.11

Finding the Fourth Proportional to 20,055.92, 30,108.36 and 19,263.11

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Solution

The fourth proportional to 20,055.92, 30,108.36 and 19,263.11 is: 28,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.92 : 30,108.36 = 19,263.11 : x
  2. Step 2: Convert to fraction form
    20,055.92/30,108.36 = 19,263.11/x
  3. Step 3: Cross multiply
    20,055.92x = 30,108.36 × 19,263.11
  4. Step 4: Simplify right side
    20,055.92x = 579,980,650.60
  5. Step 5: Solve for x
    x = 579,980,650.60/20,055.92
  6. Step 6: Final answer
    x = 28,918.18

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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.