Home / 30,164.68-41,628.90-19,563.40

Finding the Fourth Proportional to 30,164.68, 41,628.90 and 19,563.40

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Solution

The fourth proportional to 30,164.68, 41,628.90 and 19,563.40 is: 26,998.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.68 : 41,628.90 = 19,563.40 : x
  2. Step 2: Convert to fraction form
    30,164.68/41,628.90 = 19,563.40/x
  3. Step 3: Cross multiply
    30,164.68x = 41,628.90 × 19,563.40
  4. Step 4: Simplify right side
    30,164.68x = 814,402,822.26
  5. Step 5: Solve for x
    x = 814,402,822.26/30,164.68
  6. Step 6: Final answer
    x = 26,998.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.