Home / 32,685.24-45,107.88-18,539

Finding the Fourth Proportional to 32,685.24, 45,107.88 and 18,539

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Solution

The fourth proportional to 32,685.24, 45,107.88 and 18,539 is: 25,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,685.24 : 45,107.88 = 18,539 : x
  2. Step 2: Convert to fraction form
    32,685.24/45,107.88 = 18,539/x
  3. Step 3: Cross multiply
    32,685.24x = 45,107.88 × 18,539
  4. Step 4: Simplify right side
    32,685.24x = 836,254,987.32
  5. Step 5: Solve for x
    x = 836,254,987.32/32,685.24
  6. Step 6: Final answer
    x = 25,585.10

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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.