Home / 19,200.57-28,798.01-6,719.68

Finding the Fourth Proportional to 19,200.57, 28,798.01 and 6,719.68

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Solution

The fourth proportional to 19,200.57, 28,798.01 and 6,719.68 is: 10,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.57 : 28,798.01 = 6,719.68 : x
  2. Step 2: Convert to fraction form
    19,200.57/28,798.01 = 6,719.68/x
  3. Step 3: Cross multiply
    19,200.57x = 28,798.01 × 6,719.68
  4. Step 4: Simplify right side
    19,200.57x = 193,513,411.84
  5. Step 5: Solve for x
    x = 193,513,411.84/19,200.57
  6. Step 6: Final answer
    x = 10,078.52

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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.