Home / 32,695.20-45,111.60-18,555.84

Finding the Fourth Proportional to 32,695.20, 45,111.60 and 18,555.84

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Solution

The fourth proportional to 32,695.20, 45,111.60 and 18,555.84 is: 25,602.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,695.20 : 45,111.60 = 18,555.84 : x
  2. Step 2: Convert to fraction form
    32,695.20/45,111.60 = 18,555.84/x
  3. Step 3: Cross multiply
    32,695.20x = 45,111.60 × 18,555.84
  4. Step 4: Simplify right side
    32,695.20x = 837,083,631.74
  5. Step 5: Solve for x
    x = 837,083,631.74/32,695.20
  6. Step 6: Final answer
    x = 25,602.65

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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.