Home / 32,763.24-45,218.52-18,620.64

Finding the Fourth Proportional to 32,763.24, 45,218.52 and 18,620.64

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Solution

The fourth proportional to 32,763.24, 45,218.52 and 18,620.64 is: 25,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,763.24 : 45,218.52 = 18,620.64 : x
  2. Step 2: Convert to fraction form
    32,763.24/45,218.52 = 18,620.64/x
  3. Step 3: Cross multiply
    32,763.24x = 45,218.52 × 18,620.64
  4. Step 4: Simplify right side
    32,763.24x = 841,997,782.25
  5. Step 5: Solve for x
    x = 841,997,782.25/32,763.24
  6. Step 6: Final answer
    x = 25,699.47

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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.