Home / 23,284.80-32,151.60-18,619.20

Finding the Fourth Proportional to 23,284.80, 32,151.60 and 18,619.20

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Solution

The fourth proportional to 23,284.80, 32,151.60 and 18,619.20 is: 25,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,284.80 : 32,151.60 = 18,619.20 : x
  2. Step 2: Convert to fraction form
    23,284.80/32,151.60 = 18,619.20/x
  3. Step 3: Cross multiply
    23,284.80x = 32,151.60 × 18,619.20
  4. Step 4: Simplify right side
    23,284.80x = 598,637,070.72
  5. Step 5: Solve for x
    x = 598,637,070.72/23,284.80
  6. Step 6: Final answer
    x = 25,709.35

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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.