Home / 32,615.95-45,009.43-18,275.73

Finding the Fourth Proportional to 32,615.95, 45,009.43 and 18,275.73

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Solution

The fourth proportional to 32,615.95, 45,009.43 and 18,275.73 is: 25,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,615.95 : 45,009.43 = 18,275.73 : x
  2. Step 2: Convert to fraction form
    32,615.95/45,009.43 = 18,275.73/x
  3. Step 3: Cross multiply
    32,615.95x = 45,009.43 × 18,275.73
  4. Step 4: Simplify right side
    32,615.95x = 822,580,190.13
  5. Step 5: Solve for x
    x = 822,580,190.13/32,615.95
  6. Step 6: Final answer
    x = 25,220.18

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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.