Home / 33,090.12-45,666.99-18,947.52

Finding the Fourth Proportional to 33,090.12, 45,666.99 and 18,947.52

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Solution

The fourth proportional to 33,090.12, 45,666.99 and 18,947.52 is: 26,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,090.12 : 45,666.99 = 18,947.52 : x
  2. Step 2: Convert to fraction form
    33,090.12/45,666.99 = 18,947.52/x
  3. Step 3: Cross multiply
    33,090.12x = 45,666.99 × 18,947.52
  4. Step 4: Simplify right side
    33,090.12x = 865,276,206.36
  5. Step 5: Solve for x
    x = 865,276,206.36/33,090.12
  6. Step 6: Final answer
    x = 26,149.08

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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.