Home / 19,154.02-28,716.68-12,896.47

Finding the Fourth Proportional to 19,154.02, 28,716.68 and 12,896.47

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Solution

The fourth proportional to 19,154.02, 28,716.68 and 12,896.47 is: 19,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.02 : 28,716.68 = 12,896.47 : x
  2. Step 2: Convert to fraction form
    19,154.02/28,716.68 = 12,896.47/x
  3. Step 3: Cross multiply
    19,154.02x = 28,716.68 × 12,896.47
  4. Step 4: Simplify right side
    19,154.02x = 370,343,636.18
  5. Step 5: Solve for x
    x = 370,343,636.18/19,154.02
  6. Step 6: Final answer
    x = 19,335.04

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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.