Home / 19,025.49-28,513.97-9,030.21

Finding the Fourth Proportional to 19,025.49, 28,513.97 and 9,030.21

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Solution

The fourth proportional to 19,025.49, 28,513.97 and 9,030.21 is: 13,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,025.49 : 28,513.97 = 9,030.21 : x
  2. Step 2: Convert to fraction form
    19,025.49/28,513.97 = 9,030.21/x
  3. Step 3: Cross multiply
    19,025.49x = 28,513.97 × 9,030.21
  4. Step 4: Simplify right side
    19,025.49x = 257,487,091.88
  5. Step 5: Solve for x
    x = 257,487,091.88/19,025.49
  6. Step 6: Final answer
    x = 13,533.80

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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.