Home / 19,097.68-28,641.56-12,854.16

Finding the Fourth Proportional to 19,097.68, 28,641.56 and 12,854.16

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Solution

The fourth proportional to 19,097.68, 28,641.56 and 12,854.16 is: 19,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,097.68 : 28,641.56 = 12,854.16 : x
  2. Step 2: Convert to fraction form
    19,097.68/28,641.56 = 12,854.16/x
  3. Step 3: Cross multiply
    19,097.68x = 28,641.56 × 12,854.16
  4. Step 4: Simplify right side
    19,097.68x = 368,163,194.89
  5. Step 5: Solve for x
    x = 368,163,194.89/19,097.68
  6. Step 6: Final answer
    x = 19,277.90

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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.