Home / 32,820.95-45,287.87-18,480.04

Finding the Fourth Proportional to 32,820.95, 45,287.87 and 18,480.04

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Solution

The fourth proportional to 32,820.95, 45,287.87 and 18,480.04 is: 25,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,820.95 : 45,287.87 = 18,480.04 : x
  2. Step 2: Convert to fraction form
    32,820.95/45,287.87 = 18,480.04/x
  3. Step 3: Cross multiply
    32,820.95x = 45,287.87 × 18,480.04
  4. Step 4: Simplify right side
    32,820.95x = 836,921,509.75
  5. Step 5: Solve for x
    x = 836,921,509.75/32,820.95
  6. Step 6: Final answer
    x = 25,499.62

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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.