Home / 32,712.72-45,131.74-18,557.37

Finding the Fourth Proportional to 32,712.72, 45,131.74 and 18,557.37

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Solution

The fourth proportional to 32,712.72, 45,131.74 and 18,557.37 is: 25,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,712.72 : 45,131.74 = 18,557.37 : x
  2. Step 2: Convert to fraction form
    32,712.72/45,131.74 = 18,557.37/x
  3. Step 3: Cross multiply
    32,712.72x = 45,131.74 × 18,557.37
  4. Step 4: Simplify right side
    32,712.72x = 837,526,397.92
  5. Step 5: Solve for x
    x = 837,526,397.92/32,712.72
  6. Step 6: Final answer
    x = 25,602.47

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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.