Home / 19,134.99-28,641.08-10,228.10

Finding the Fourth Proportional to 19,134.99, 28,641.08 and 10,228.10

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Solution

The fourth proportional to 19,134.99, 28,641.08 and 10,228.10 is: 15,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.99 : 28,641.08 = 10,228.10 : x
  2. Step 2: Convert to fraction form
    19,134.99/28,641.08 = 10,228.10/x
  3. Step 3: Cross multiply
    19,134.99x = 28,641.08 × 10,228.10
  4. Step 4: Simplify right side
    19,134.99x = 292,943,636.00
  5. Step 5: Solve for x
    x = 292,943,636.00/19,134.99
  6. Step 6: Final answer
    x = 15,309.32

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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.