Home / 32,612.78-45,010.40-18,273.59

Finding the Fourth Proportional to 32,612.78, 45,010.40 and 18,273.59

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Solution

The fourth proportional to 32,612.78, 45,010.40 and 18,273.59 is: 25,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,612.78 : 45,010.40 = 18,273.59 : x
  2. Step 2: Convert to fraction form
    32,612.78/45,010.40 = 18,273.59/x
  3. Step 3: Cross multiply
    32,612.78x = 45,010.40 × 18,273.59
  4. Step 4: Simplify right side
    32,612.78x = 822,501,381.70
  5. Step 5: Solve for x
    x = 822,501,381.70/32,612.78
  6. Step 6: Final answer
    x = 25,220.21

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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.