Home / 19,196.14-28,746.14-12,154.91

Finding the Fourth Proportional to 19,196.14, 28,746.14 and 12,154.91

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Solution

The fourth proportional to 19,196.14, 28,746.14 and 12,154.91 is: 18,201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.14 : 28,746.14 = 12,154.91 : x
  2. Step 2: Convert to fraction form
    19,196.14/28,746.14 = 12,154.91/x
  3. Step 3: Cross multiply
    19,196.14x = 28,746.14 × 12,154.91
  4. Step 4: Simplify right side
    19,196.14x = 349,406,770.11
  5. Step 5: Solve for x
    x = 349,406,770.11/19,196.14
  6. Step 6: Final answer
    x = 18,201.93

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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.