Home / 32,720.79-45,153.49-19,995.26

Finding the Fourth Proportional to 32,720.79, 45,153.49 and 19,995.26

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Solution

The fourth proportional to 32,720.79, 45,153.49 and 19,995.26 is: 27,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,720.79 : 45,153.49 = 19,995.26 : x
  2. Step 2: Convert to fraction form
    32,720.79/45,153.49 = 19,995.26/x
  3. Step 3: Cross multiply
    32,720.79x = 45,153.49 × 19,995.26
  4. Step 4: Simplify right side
    32,720.79x = 902,855,997.95
  5. Step 5: Solve for x
    x = 902,855,997.95/32,720.79
  6. Step 6: Final answer
    x = 27,592.74

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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.