Home / 23,719.20-35,535.60-19,312.80

Finding the Fourth Proportional to 23,719.20, 35,535.60 and 19,312.80

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Solution

The fourth proportional to 23,719.20, 35,535.60 and 19,312.80 is: 28,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,719.20 : 35,535.60 = 19,312.80 : x
  2. Step 2: Convert to fraction form
    23,719.20/35,535.60 = 19,312.80/x
  3. Step 3: Cross multiply
    23,719.20x = 35,535.60 × 19,312.80
  4. Step 4: Simplify right side
    23,719.20x = 686,291,935.68
  5. Step 5: Solve for x
    x = 686,291,935.68/23,719.20
  6. Step 6: Final answer
    x = 28,934.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.